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Definition of "mainframe" []

  • A large powerful computer, often serving many connected terminals and usually used by large complex organizations. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "mainframe" in a sentence
  • "The Human Mainframe: We always knew that Rossum had ill intentions, but the revelation that the Attic's use of human brains to propel the corporation's mainframe is pretty messed up — especially when that power is generated by nightmares that include eating your own severed legs and watching your friends die on an endless loop."
  • "“The mainframe is in sub basement four,” Davin said from behind Rose."
  • "“Mr. DeVries … The report on the 2 hour outage of our mainframe is complete.”"