overwordExplorer
LATIN · A WORD WITH POSSIBILITIES

ostium.

door

6 characters2 syllables approx.Latina language

Meaning & usage

noun[ˈoːs.ti.ũː]Classical-Latin[ˈɔs.ti.um]

  1. door

    declension-2

  2. entrance

    declension-2

  3. estuary

    declension-2

  4. mouth (of a river)

    declension-2
Where this word comes from

Formed from or cognate with ōs (“mouth”).

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ostium has 6 characters. Say it out loud, try it alongside a description of your project, and see whether its meaning fits what you want to create.

ostium studioostium workshello, ostium

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.