os

Meaning

Noun

Synonym of bone.
An opening or entrance to a passage, particularly one at either end of the cervix, internal (to the uterus) or external (to the vagina).
An osar or esker.
Alternative of o's.

Origin

Borrowed from Latin os ("a bone").
Borrowed from Latin ōs ("the mouth").
Borrowed from Swedish ås.
From o + -s.

Modern English dictionary

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