[os] n, pl os.sa [L oss-, os--more at osseous] (15c): bone
[2]os n, pl ora [L or-, os--more at oral] (1737): mouth, orifice
OS
Meaning of OS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012
[os] n, pl os.sa [L oss-, os--more at osseous] (15c): bone
[2]os n, pl ora [L or-, os--more at oral] (1737): mouth, orifice
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012