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

Examples

• She found an old audiocassette of her favorite band in the attic.
• The car’s stereo system could play both CDs and audiocassettes.
• He recorded the lecture on an audiocassette for later review.
• Many people collected audiocassettes before CDs became popular.
• The audiocassette got tangled in the tape player.
• She made a mixtape audiocassette for her friend’s birthday.