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Definition of motherboard

motherboard

/ˈmʌðərˌbɔːrd/
Plural:motherboards
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motherboard Lexical Profile

motherboard Game Scores & Validity

• noun

1

A printed circuit board containing the principal components of a computer or other electronic device, with connectors into which other circuit boards can be slotted.

Example

"The technician had to replace the computer's motherboard after a sudden power surge fried the internal circuitry."

Synonyms
View all synonyms for motherboard

• Nearby Words

mothball
mother
mother lode
motherboard
motherfucker
motherfucking
motherhood

Word Origin & Etymology

Coined in the 1960s as a compound of 'mother' (in the sense of a primary unit that supports secondary components, such as 'daughterboards') and 'board' (short for printed circuit board).

Cite this Entry

Wordmom. (2026). Definition of Motherboard. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/motherboard
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