Letters or wildcard '*' please.
Letters please.
Letters please.

Definition os

Etymology 1

From neuter Latin word os (“bone”) (genitive: ossis).


os (plural ossa)

  1. (rare, medicine) Bone.

Etymology 2

From neuter Latin word os (“mouth”) (genitive: oris).


os (plural ora)

  1. (rare) A mouth; an opening.
  2. In particular, either end of the cervix, internal (to the uterus) or external (to the vagina).

Etymology 3

Borrowed from Swedish ås.



  1. An osar or esker.

Etymology 4

o +‎ -s.



  1. (rare) plural of o. More commonly oes or o's.

Results 100 Words with the letters OS

There are more words: increase your search size (the gear button) or decrease the word length above.

Skip to
2 3 4 5 6 7 8 9 10
10 letter words with the letters OS 

You can also try words with the phrase OS, words starting with the letters OS, or words ending in the letters OS.