Definition of Os

  • (n.) A bone.
  • (n.) A mouth; an opening; an entrance.
  • (n.) One of the ridges of sand or gravel found in Sweden, etc., supposed by some to be of marine origin, but probably formed by subglacial waters. The osar are similar to the kames of Scotland and the eschars of Ireland. See Eschar.

Antonyms of Os

No Antonyms Found.

Homophones of Os

Common English words

A list of the most frequently used words in the English languge.

Longest English Words

Longest words in the Oxford Dictionary.