■ noun a sealed plastic unit containing a length of audio tape, videotape, film, etc. wound on a pair of spools, for insertion into a recorder, playback device, etc.
Origin
C18: from Fr., dimin. of casse (see case 2 ).
CASSETTE
Meaning of CASSETTE in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004