1. a small plastic case containing magnetic tape for recording or playing back sound or video

Examples

• She inserted the cassette into the tape player.
• The old cassette was warped from being left in the sun.
• He recorded his favorite songs onto a blank cassette.
• The video cassette contained home movies from the 1980s.
• Many cars in the 1990s had cassette players.
• She found a box of old cassettes in the attic.