SAC


Meaning of SAC in English

[ sak ]

■ noun a hollow, flexible structure resembling a bag or pouch.

↘a cavity enclosed by a membrane within a living organism.

↘the distended membrane surrounding a hernia, cyst, or tumour.

Origin

C18: from Fr. ~ or L. ~cus '~k, bag'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.