[os.ti.um] n, pl os.tia [NL, fr. L, door, mouth of a river; akin to L os mouth--more at oral] (1828): a mouthlike opening in a bodily organ
OSTIUM
Meaning of OSTIUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012
[os.ti.um] n, pl os.tia [NL, fr. L, door, mouth of a river; akin to L os mouth--more at oral] (1828): a mouthlike opening in a bodily organ
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012