motherboard

Etymology

Compound of mother + board.

noun

  1. (computer hardware) The primary circuit board of a personal computer, containing the circuitry for the central processing unit, keyboard, mouse and monitor, together with slots for other devices.
    An electronics shop was selling ugly refurbished computers. They were small black and grey things with exposed motherboards and cracked cases. 2018, Nnedi Okorafor, Who Fears Death, HarperVoyager, page 8

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