[me.a.tus] n, pl me.a.tus.es or me.a.tus [LL, fr. L, going, passage, fr. meatus, pp. of meare to go--more at permeate] (1665): a natural body passage
MEATUS
Meaning of MEATUS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012