Expansion slot Definition & Meaning - Merriam-Webster

Definition of expansion slot expansion slot definition Alternatively known as a bus slot or expansion port, an expansion slot is a connection or port inside a computer on the motherboard or riser expansion slot drawing meaning it can handle larger and bigger games than without the expansion You need the Jumper pak or Expansion pak in the memory expansion slot

expansion slot function An expansion card is a printed circuit board that can be inserted into an expansion slot on a computer's motherboard to add new functionality