Os Definition

ōs
os, ora, osar, ossa
noun
Webster's New World
A bone.
Webster's New World
A mouth; opening.
Webster's New World

In particular, either end of the cervix, internal (to the uterus) or external (to the vagina).

Wiktionary

An osar or esker.

Wiktionary
Synonyms:
abbreviation
Old Saxon.
Webster's New World
Old Style.
Webster's New World
Old series.
Webster's New World
Operating system.
Webster's New World
Ordinary Seaman.
Webster's New World
symbol
Osmium.
Webster's New World

Other Word Forms of Os

Noun

Singular:
os
Plural:
oi, ora, ossa

Origin of Os

  • From neuter Latin word os with the genitive oris (meaning "mouth").

    From Wiktionary

  • From neuter Latin word os (genitive ossis) meaning "bone".

    From Wiktionary

  • Latin ōs mouth ōs- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin bone ost- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin os (“bone”)

    From Wiktionary

  • Swedish

    From Wiktionary