DictionarycassetteRemovable cartridge
noun

cassette

kuh-SET/kəˈset/

A removable case that holds material for use in a device, especially magnetic recording tape.

The cassette's clear windows reveal two reels of magnetic tape.

One compact audio cassette in three-quarter view: rectangular plastic shell, two reel hubs visible through clear windows, continuous brown magnetic tape winding between reels and exposed along the lower playback edge.
Etymology

A cassette was originally a “little box.” The recording sense applies that name to the small protective case holding magnetic tape, rather than to the tape alone.

In context

Rauta41:23
then the drummer forgets how to play it and then you're trying to record it on a cassette tape.
Jungle Rot interview - an old-school US death metal act talking about the realities of metal music

More examples

  • Several cassettes filled the box.
  • She inserted the cassette.
  • The cassette clicked into place.

Forms

cassette · cassettes

Similar words

cartridge
A replaceable unit that may hold material other than tape.
tape
The recording medium rather than its enclosing case.