OS


Meaning of OS in English

os 1

/os/ , n. , pl. ossa /os"euh/ .

Anat., Zool. a bone.

[ 1540-50; ]

os 2

/os/ , n. , pl. ora /awr"euh, ohr"euh/ .

Anat., Zool. a mouth or orifice of the body.

[ 1730-40; os mouth ]

os 3

/ohs/ , n. , pl. osar /oh"sahr/ .

Geol. an esker, esp. when of great length.

[ ås (pl. åsar ) ridge ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .