Word.ws English Dictionary

ostia

ostia is the plural of ostium.

Meaning of ostium

Noun

ostium (plural ostia)

  1. A small opening or orifice, as in a body organ or passage.
  2. Any of the small openings or pores in a sponge.
  3. The mouth of a river.

Proper noun capitalized: Ostia

Ostia

  1. (historical) A port and town on the Tiber in Italia, Roman Empire, the harbour of ancient Rome.
    Synonyms:
    Ostia Antica
  2. A modern refounding of the ancient town at the mouth of the Tiber, now a frazione in Rome, Italy.

Synonyms of ostia

Origin of ostia

* (Roman Empire): Latin Ostia * (Italy): Italian Ostia, from Latin Ostia

Words formed from ostia

Phrases with ostia

Questions about ostia

What does ostia mean?
Ostia means a port and town on the Tiber in Italia, Roman Empire, the harbour of ancient Rome.
What is ostia the plural of?
Ostia is the plural of ostium.
What part of speech is ostia?
Ostia is a proper noun.

Words near ostia in the dictionary

  1. Osters
  2. Osterville
  3. Ostheim
  4. osthol
  5. osthya
  6. ostia
  7. Ostia Antica
  8. Ostiak
  9. Ostiaks
  10. ostial
  11. ostially

Source and license

Adapted from Wiktionary: ostia (page history and authors); Ostia (page history and authors); ostium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “ostia.” Word.ws, https://word.ws/ostia. Based on Wiktionary, CC BY-SA 4.0.