a large computer, often the hub of a system serving many users.
Origin of mainframe
First recorded in 1960–65; main1
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Related Words for mainframeexecutive
Examples from the Web for mainframe
Contemporary Examples of mainframe
With some maneuvering, he and Tron take over the MCP and kill Sark, proving they're the most badass guys in the mainframe.
Just like he was lasered into the mainframe, Flynn is beamed out, with proof that Dillinger stole the videogames he invented.
Historical Examples of mainframe
British Dictionary definitions for mainframe
- a high-speed general-purpose computer, usually with a large storage capacity
- (as modifier)mainframe systems
the central processing unit of a computer
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
Word Origin and History for mainframe
"central processor of a computer system," 1964, from main (adj.) + frame (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
A large, often powerful computer, usually dedicated to lengthy, complex calculations or set up for use by many people simultaneously. Compare personal computer.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A large, powerful computer system. A mainframe computer typically carries out complex calculations and is shared by many users. (Compare personal computer.)
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.