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motherboard

American  
[muhth-er-bawrd, -bohrd] / ˈmʌð ərˌbɔrd, -ˌboʊrd /

noun

Computers.
  1. a rigid, slotted board upon which other boards that contain the basic circuitry of a computer or of a computer component can be mounted.


motherboard British  
/ ˈmʌðəˌbɔːd /

noun

  1. (in an electronic system) a printed circuit board through which signals between all other boards are routed

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

motherboard Scientific  
/ mŭthər-bôrd′ /
  1. The main circuit board of a computer, usually containing the central processing unit and main system memory as well as circuitry that controls the disk drives, keyboard, monitor, and other peripheral devices.


Etymology

Origin of motherboard

mother 1 + board

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Vibrate Higher ft. MOTHERBOARD” is Ayewa’s personal favorite song on “Future Present Past.”

From Los Angeles Times

She did not answer their questions and stood there like a robot whose motherboard had shorted out.

From Salon

Entertainment Weekly’s Leah Greenblatt wrote in her review that, “This is not the morose, carnage-soaked horror of dank basements and clammy night terrors; most of the movie happens in bright daylight, every maniacal head tilt, ungodly hip swivel, and murder-by-gardening-tool calibrated for screams that end not with a gasp but a giggle. M3GAN came to play, and possibly reboot her motherboard for a sequel. Are you not entertained?”

From Seattle Times

Under its former name as X-Mode, Outlogic is also the company that was exposed in a 2020 investigation by Motherboard’s Joseph Cox for selling users’ personal data to the U.S. military.

From Salon

At the back of the workshop, Lukas, a technician, checks out the motherboard of an old laptop.

From BBC