cassingles
/ˈkæsˌsɪŋɡəlz/
noun
- Small plastic cases used to hold cassette tapes, especially for music singles.
- The cassingles were stored in a shoebox under his bed.
- In the 1980s, cassingles were a popular way to buy hit songs.
- He collected cassingles of his favorite bands from the 1990s.