OS


Meaning of OS in English

n.

Pronunciation: ' ō s

Function: noun

Inflected Form: plural ora \ ' o ̇ r- ə \

Etymology: Latin or-, os ― more at ORAL

Date: 1737

: MOUTH , ORIFICE

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.