CAVITY


Meaning of CAVITY in English

■ noun ( plural cavities ) an empty space within a solid object.

↘a decayed part of a tooth.

Derivatives

cavitary adjective

Origin

C16: from Fr. cavité or late L. cavitas , from L. cavus 'hollow'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.