r.

verb

Synonym of ruled or reigned, used in historical dating to distinguish regnal years from births and deaths.

“The Byzantine emperor Manuel I (r. 1143–1180) was part of the Komnenid or Comnenid dynasty.”

Similar
ruled or reignedused in historical dating to distinguish regnal years from births and deaths

Meanings

r.1

verb
  1. Synonym of ruled or reigned, used in historical dating to distinguish regnal years from births and deaths.

    The Byzantine emperor Manuel I (r. 1143–1180) was part of the Komnenid or Comnenid dynasty.

    Synonyms: ruled or reigned, used in historical dating to distinguish regnal years from births and deaths

r.2

adjective
  1. abbreviationAbbreviation of rare.
  2. abbreviationAbbreviation of revision.
  3. abbreviationAbbreviation of royal.

    Mon. Not. R. Astron. Soc.

    Monthly Notices of the Royal Astronomical Society — ISO 4 abbreviated title

  4. abbreviationAbbreviation of right.

    r. com. car. a.

    right common carotid artery

nounr. (plural rs.)

plural rs.

  1. abbreviationlawAbbreviation of rule.
  2. abbreviationAbbreviation of ruble.

    The paper-money in circulation is inconvertible, but has a forced currency. The notes represent 100 rubles; 50 rs., 25 rs., 10 rs., 5 rs., 3 rs., and 1 ruble, and are plainly stamped with their value.

    1868, “Russia: Introduction”, in Handbook for Travellers in Russia, Poland, and Finland, 2nd edition, London: John Murray, page 45
  3. abbreviationAbbreviation of river.

R.3

proper noun
  1. abbreviationAbbreviation of Regina (“the queen”).
  2. abbreviationAbbreviation of Rex (“the king”).
  3. abbreviationAbbreviation of Rabbi.

    R. Meir ben Simeon of Narbonne sharply criticized both the polytheistic implications of the Kabbalistic doctrine of prayers to varied divine manifestations and specific books containing Kabbalistic ideas.

    1988, Moshe Idel, Kabbalah: New Perspectives, →ISBN, page 1
    2 more examples

    The quotation is from what seems to be an interfaith discussion between the second-century C.E. Palestinian sage, Rabbi Akiba, and a man identified by his Greek name, Zenon.²⁸ Zenon asks R. Akiba how he explains the fact that individuals seeking the healing power of idols (probably referring to pagan shrines like the aforementioned Aesculapios) are actually healed. R. Akiba answers with a parable, which is quoted in thirteenth-century Jewish polemical literature.²⁹

    2010 January 7, Ephraim Shoham-Steiner, “Jews and Healing at Medieval Saints’ Shrines: Participation, Polemics, and Shared Cultures*”, in Harvard Theological Review, volume 103, number 01, →DOI, page 122

    Next, R. Moskowitz brings us to the Slonimer Rebbe, a late 20th century Hasidic rabbi, who taught that the evil of Esav was that very sense of completion, the self-perception that he had no need for growth or further transformation.

    2019 September 10, Rachel Timoner, “Book Review: Textual Activism by Rabbi Mike Moskowitz”, in Tikkun

Synonyms & antonyms

verbSynonym of ruled or reigned, used in historical dating to distinguish regnal years from births and deaths.

Similar
ruled or reignedused in historical dating to distinguish regnal years from births and deaths

Origin

r. · verb

  1. Latinrēgnāvit“[he/she/it] ruled or reigned”
  2. Latinrexit
  3. Latinr.
  4. Englishr.

Originally from Latin r., abbreviating Latin rexit or Latin rēgnāvit (“[he/she/it] ruled or reigned”). Now often parsed as an abbreviation of English ruled or reigned.

Full word history & related roots →

r. · adjective, noun

Abbreviations.

Full word history & related roots →
Cite this entry
APA

r.. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/r.

MLA

“r..” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/r.. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “r.,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/r..

Source: r. on Wiktionary, CC BY-SA 4.0.