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Word of the Day Tuesday, June 9, 2026

mainframe

/ˈmeɪnfræm/ noun · British & US
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What does mainframe mean?

noun

A large, powerful computer that controls and coordinates the activities of other computers in a network, or a central computer in a computer system. A mainframe computer is typically a large, expensive machine that is used for business or scientific applications.

Example

"The company's mainframe was upgraded to improve processing speed and efficiency."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for mainframe

Antonyms of mainframe

Rhymes with mainframe

Etymologically related