Meanings
plural protocols
- countablehistoricaluncountableThe minutes, or official record, of a negotiation or transaction; especially a document drawn up officially which forms the legal basis for subsequent agreements based on it.First known use 15th c.
Another account says that, on the morning of the 31st of May, the king delivered to the prince-royal the crown, the sceptre, and the key of his treasure and gave him his blessing. The privy-counsillor Vockerodt drew up at his desire a protocol of the transaction.
1842, Thomas Campbell, Frederick the Great and his Times, volume II, page 47 - archaiccountableuncountableinternational lawAn official record of a diplomatic meeting or negotiation; later specifically, a draft document setting out agreements to be signed into force by a subsequent formal treaty.First known use 17th c.
The terms of this protocol formed the basis for the Treaty of London signed by the British, French and Russian governments on 6 July 1827.
1970, Matthew Smith Anderson, The Great Powers and the Near East, 1774-1923, page 32 - countableuncountableThe first leaf of a roll of papyrus, or the official mark typically found on such a page.First known use 19th c.
They marked the beginning of each scroll with their protocol, a practice that continued in the papyrus trade in the Byzantine Empire [...] into the Islamic period, when there were bilingual protocols in Greek and Arabic.
1991, Leila Avrin, Scribes, Script, and Books, page 146 - countableuncountableThe official formulas which appeared at the beginning or end of certain official documents such as charters, papal bulls etc.First known use 19th c.
The protocol of the bull contains elements that appear to be formulaic by the time of John XVIII 's pontificate.
1985, Archivum Historiae Pontificiae, volume 23, page 14 - countableuncountablesciencesThe original notes of observations made during an experiment.First known use 19th c.
The following is an abstract of the protocol of the experiment: Tumour extract.—A measured 16 c.c. of minced Rous Sarcoma tissue was ground with sand and extracted with 400 c.c. of 0.8-per-cent. saline.
1931, Gye & Purdy, The Cause of Cancer, page 194Synonyms: procedure
- countableuncountablesciencesThe precise method for carrying out or reproducing a given experiment.First known use 19th c.
- countableuncountableThe official rules and guidelines for heads of state and other dignitaries, governing accepted behaviour in relations with other diplomatic representatives or over affairs of state.First known use 19th c.
Even the Queen (for whom the curtsey is a more standard address) was recently treated to an enthusiastic Obama embrace. Her Majesty, who is not normally known for partaking in such public displays of affection, seemed unperturbed by Michelle Obama's disregard for royal protocol.
2009 September 19, Laura Johnson, “A mwah too far”, in The GuardianSynonyms: procedure, policy, modalities
- broadlycountableuncountableAn accepted code of conduct; acceptable behaviour in a given situation or group.First known use 20th c.
TfW has staff enforcing mask protocols at all the busy stations and most travellers oblige, albeit some with ill grace.
2020 December 2, Paul Bigland, “My weirdest and wackiest Rover yet”, in Rail, page 661 more example
For those uncertain in the protocol of handshaking a formula for the perfect handshake has been devised by scientists at the University of Manchester.
2010 July 16, The GuardianSynonyms: policy
- countableuncountablecomputingA set of formal rules describing how to transmit or exchange data, especially across a network.First known use 20th c.
An exception is Jabber, which is designed based on an open protocol called the extensible messaging and presence protocol (XMPP).
2006, Zheng & Ni, Smart Phone and Next-Generation Mobile Computing, p. 4442 more examples
Moloch passed the message to the Behemoth / Whose master passed it on to Zebedee / It was sent by Internet, by obscure protocols / To its recipient, the delicious Miss Gee
2001, “More Shopping”, in Discosis, performed by Bran Van 3000 ft. MomusFounders of those kinds of platforms argue that they are just building a “protocol” ultimately led by a community of users, with the computer code effectively running the show.
2021 September 5, Eric Lipton, Ephrat Livni, “Crypto’s Rapid Move Into Banking Elicits Alarm in Washington”, in The New York Times, →ISSN - countableuncountablemedicineThe set of instructions allowing a licensed medical professional to start, modify, or stop a medical or patient care order.First known use 20th c.
- countableuncountableCatholicismThe introduction of a liturgical preface, immediately following the Sursum corda dialogue.
The celebrant then takes up this response in the first part of the preface itself (also known by the technical term ‘protocol’): […]
[2022, Uwe Michael Lang, The Roman Mass: From Early Christian Origins to Tridentine Reform, →ISBN, page 1402 more examples
This protocol of the Preface has been constant, with minor modification, from the Apostolic Tradition, of Hippolytus in 215 A.D., the earliest extant text of the Eucharistic Prayer, to the present 2002 Missale Romanum.
2010, Virgilio T.J. Suerte Felipe, The Lord’s Supper, Eucharist, Mass… What’s in a Name? […], →ISBN, pages 45–46The proper Preface for Eucharistic Prayer II also appears as Common Preface VI. In it, the protocol and body of the Preface structure are meshed.
2011, Michael S. Driscoll, J. Michael Joncas, The Order of Mass: A Roman Missal Study Edition and Workbook, →ISBN, page 213
present singular third person protocols · US participle present protocoling · UK participle present protocolling · US participle past protocoled · US past protocoled · UK participle past protocolled · UK past protocolled
- obsoletetransitiveTo make a protocol of.
- intransitiveobsoleteTo make or write protocols, or first drafts; to issue protocols.
Serene Highnesses, who sit there protocolling and manifestoing, and consoling mankind!
1837, Thomas Carlyle, chapter III, in The French Revolution: A History […], volume II (The Constitution), London: Chapman and Hall, →OCLC, book VI (The Marseillese), page 279
Synonyms & antonyms
nounThe original notes of observations made during an experiment.
nounThe official rules and guidelines for heads of state and other dignitaries, governing accepted behaviour in relations with other diplomatic representatives or over affairs of state.
nounAn accepted code of conduct; acceptable behaviour in a given situation or group.
nounIn some programming languages, a data type declaring a set of members that must be implemented by a class or other data type.
More synonyms by meaning
noun(computer science) rules determining the format and transmission of data
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Medieval Greekπρωτόκολλον“first sheet glued onto a manuscript”
- Late Latinprotocollum“the first sheet of a volume (on which contents and errata were written)”
- Middle Frenchprotocolle, protocole“document, record”
- Englishprotocol
Borrowed from Middle French protocolle, protocole (“document, record”), from Late Latin protocollum (“the first sheet of a volume (on which contents and errata were written)”), from Medieval Greek πρωτόκολλον (prōtókollon, “first sheet glued onto a manuscript”), from πρῶτος (prôtos, “first”) + κόλλα (kólla, “glue”).
More words from Middle French, Late Latin, Medieval Greek
Full word history & related roots →Translations
Arabic بْرُوتُوكُول
- بْرُوتُوكُول (brotokōl)computing
Bulgarian протоко́л, протоко́л
- протоко́л (protokól)diplomatic document
- протоко́л (protokól)treaty amendment
- протоко́л (protokól)rule, guideline etc which guides diplomatic behaviour
- протоко́л (protokól)computing
- протоколи́рам (protokolíram)to make a protocol of
Catalan protocol
- protocolrule, guideline etc which guides diplomatic behaviour
Chinese Mandarin 議定書 /议定书, 外交禮節 /外交礼节
- 議定書 /议定书 (yìdìngshū)diplomatic document
- 外交禮節 /外交礼节 (wàijiāo lǐjié)rule, guideline etc which guides diplomatic behaviour
- 協定 /协定 (xiédìng)computing
- 協議 /协议 (xiéyì)computing
- 擬訂 /拟订 (nǐdìng)to make a protocol of
- 拟定 (nǐdìng)to make a protocol of
Czech protokol
- protokolcomputing
Danish protokol, protokol
- protokolrule, guideline etc which guides diplomatic behaviour
- protokolcomputing
Esperanto protokolo
- protokolorule, guideline etc which guides diplomatic behaviour
Estonian protokoll
- protokollcomputing
Finnish protokolla, pöytäkirja
- protokolladiplomatic document
- pöytäkirjadiplomatic document
- muistiinpanotdiplomatic document
- pöytäkirjatreaty amendment
- protokollarule, guideline etc which guides diplomatic behaviour
- protokollacomputing
- pitää pöytäkirjaato make a protocol of
French protocole, protocole
- protocolediplomatic document
- protocolerule, guideline etc which guides diplomatic behaviour
- protocolecomputing
German Protokoll, protokollieren
- Protokollcomputing
- protokollierento make a protocol of
Greek πρωτόκολλο, πρωτόκολλο
- πρωτόκολλο (protókollo)diplomatic document
- πρωτόκολλο (protókollo)rule, guideline etc which guides diplomatic behaviour
- πρωτόκολλο (protókollo)computing
- πρωτοκολλώ (protokolló)to make a protocol of
- πρωτοκολλώ (protokolló)to issue protocols
Hindi प्रोटोकॉल
- प्रोटोकॉल (proṭokŏl)computing
Hungarian protokoll, protokoll
- protokollrule, guideline etc which guides diplomatic behaviour
- protokollcomputing
Icelandic prótókollur
- prótókollurrule, guideline etc which guides diplomatic behaviour
Indonesian protokol
- protokolcomputing
Italian protocollo, protocollo
- protocollorule, guideline etc which guides diplomatic behaviour
- protocollocomputing
Japanese 議定書, プロトコル
- 議定書 (giteisho)diplomatic document
- プロトコル (purotokoru)computing
Korean 의정서, 프로토콜
- 의정서 (uijeongseo)diplomatic document
- 프로토콜 (peurotokol)computing
Latvian protokols
- protokolscomputing
Lithuanian protokolas
- protokolascomputing
Malay protokol
- protokolcomputing
Māori kawa
- kawarule, guideline etc which guides diplomatic behaviour
Norwegian Bokmål protokoll
- protokollcomputing
Persian راهبرد, پروتکل
- راهبرد (râhbord)rule, guideline etc which guides diplomatic behaviour
- پروتکل (porôtokol)computing
Polish protokół, protokół
- protokółdiplomatic document
- protokółrule, guideline etc which guides diplomatic behaviour
- protokółcomputing
Portuguese protocolo, protocolo
- protocolorule, guideline etc which guides diplomatic behaviour
- protocolocomputing
Romanian protocol, protocol
- protocoldiplomatic document
- protocolrule, guideline etc which guides diplomatic behaviour
- protocolcomputing
Russian протоко́л, протоко́л
- протоко́л (protokól)diplomatic document
- протоко́л (protokól)treaty amendment
- протоко́л (protokól)rule, guideline etc which guides diplomatic behaviour
- протоко́л (protokól)computing
- протоколи́ровать (protokolírovatʹ)to make a protocol of
- запротоколи́ровать (zaprotokolírovatʹ)to make a protocol of
Slovak protokol
- protokolcomputing
Spanish protocolo, protocolo
- protocolorule, guideline etc which guides diplomatic behaviour
- protocolocomputing
Swahili itifaki
- itifakicomputing
Swedish protokoll, protokoll
- protokolldiplomatic document
- protokollrule, guideline etc which guides diplomatic behaviour
- protokolcomputing
- protokollförato make a protocol of
Thai พิธีสาร, พิธีสาร
- พิธีสาร (pí-tii-sǎan)diplomatic document
- พิธีสาร (pí-tii-sǎan)treaty amendment
- โพรโทคอลcomputing
Turkish protokol, protokol
- protokolrule, guideline etc which guides diplomatic behaviour
- protokolcomputing
Ukrainian протоко́л, протоко́л
- протоко́л (protokól)diplomatic document
- протоко́л (protokól)treaty amendment
- протоко́л (protokól)rule, guideline etc which guides diplomatic behaviour
- протоко́л (protokól)computing
Vietnamese giao thức
- giao thứccomputing
Welsh protocol, protocol
- protocoldiplomatic document
- protocoltreaty amendment
- protocolrule, guideline etc which guides diplomatic behaviour
- protocolcomputing
Rhymes & wordplay
Anagrams
Cite this entry
protocol. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protocol
“protocol.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protocol. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “protocol,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protocol.
Source: protocol on Wiktionary, CC BY-SA 4.0.