SINUS


Meaning of SINUS in English

n. 1 a cavity of bone or tissue, esp. in the skull connecting with the nostrils. 2 Med. a fistula esp. to a deep abscess. 3 Bot. the curve between the lobes of a leaf.

[ L, = bosom, recess ]

Concise Oxford English dictionary.      Краткий оксфордский словарь английского языка.