expansion slot

English

Noun

expansion slot (plural expansion slots)

1. (computing) A slot for additional hardware, cards, etc. for the purpose of expanding a computer system.
   • 1984, Practical Computing, volume 7, page 93:

     Fitting any of the joysticks to a Spectrum proved tedious. For starters I tried the Spectrum ZX Interface 2, a 5in-by-3in. chunk of plastic containing a single chip. It fits into the Spectrum expansion slot in a way that tempts wobble.