- a large computer, often the hub of a system serving many users.
Origin of mainframe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for 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.
Since the poem was written, the darker side of personal and mainframe computers has given the poem a more sinister meaning.The Little Daisy Girl and other poems
- 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
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.
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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.