ostiary

O1S1T1I1A1R1Y4
/ˈɒsti.əɹi//ˈɒst͡ʃəɹi/

noun

The mouth of a river; an estuary.

Scrabble 10

Meanings

nounostiary (plural ostiaries)

plural ostiaries

  1. archaicThe mouth of a river; an estuary.

    the river of Nilus hath seven ostiaries, that is, by seven channels disburdened itself into the sea

    1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC
  2. One who keeps the door, especially the door of a church; a porter.

    So arrayed I stepped at last from my door and was saluted as before by my monstrous ostiaries.

    1987, Gene Wolfe, chapter XXV, in The Urth of the New Sun, 1st US edition, New York: Tor Books, →ISBN, →OCLC, page 149
    1 more example

    They had other inferiour degrees of the Clergy, vvhich becauſe they are meerly ſubſervient, and not conſiderable in Church-government, I ſhall onely touch upon them. […] Laſtly, Oſtiaries; vvhich uſed to ring the bells, and open and ſhut the Church-doores.

    1647, Nath[aniel] Bacon, “Of Other Inferiour Church-officers amongst the Saxons”, in An Historicall Discourse of the Uniformity of the Government of England. The First Part. From the First Times till the Reign of Edward the Third, London: […] Mathew Walbancke […], →OCLC, page 28

    Synonyms: ostiarius

Synonyms & antonyms

nounOne who keeps the door, especially the door of a church; a porter.

Similar

More synonyms by meaning

nounthe lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church

Broader
reverendHoly OrderOrder

nounsomeone who guards an entrance

Broader

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latinostiārius
  2. Englishostiary

Borrowed from Latin ostiārius, from ostium (“door, entrance”). See usher, which may be a doublet.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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