motherboard

noun

moth·​er·​board ˈmə-t͟hər-ˌbȯrd 

: the main circuit board especially of a microcomputer

Examples of motherboard in a Sentence

Recent Examples on the Web

Baseboard management controllers are miniature computers that are embedded into the motherboards of virtually every enterprise server. — Dan Goodin, ArsTechnica, 5 Aug. 2026

Digital shield firewall with central computer processor and futuristic motherboard. — Chuck Brooks, Forbes.com, 29 July 2026

To optimize that, memory must be soldered extremely close to the CPU to reduce the length of the motherboard's traces (circuit lines). — John Burek, PC Magazine, 5 July 2026

First, each phone is processed down to the motherboard alone, the part that holds the core computing functionality. — New Atlas, 2 July 2026

Word History

First Known Use

1971, in the meaning defined above

Rhymes for motherboard

• checkerboard
• clavichord
• fiberboard
• fibreboard
• fingerboard
• harpsichord
• notochord
• overboard
• overlord
• paperboard
• plasterboard
• shuffleboard

Kids Definition

motherboard

noun

moth·​er·​board ˈmət͟h-ər-ˌbō(ə)rd 

-ˌbȯ(ə)rd

: the main circuit board especially of a personal computer