Words Containing Os

Results: 16,479

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.

cosmisms cosmist cosmists Cosmo cosmochemical cosmochemistry cosmocracy cosmocrat cosmocratic cosmodrome cosmogenesis cosmogenetic cosmogeny cosmogenic cosmognosis