Motherboard
/ˈmʌðɚˌbɔɹd/ noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 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."
Example
More examples"There's no COM port on this motherboard."
Etymology
Compound of mother + board. Attested since 1965.