mainframe

play
noun main·frame \ˈmān-ˌfrām\

Definition of mainframe

  1. :  a computer with its cabinet and internal circuits; also :  a large fast computer that can handle multiple tasks concurrently

Circa 1964

First Known Use of mainframe

circa 1964

Other Computer-Related Terms


MAINFRAME Defined for English Language Learners

mainframe

play
noun main·frame \ˈmān-ˌfrām\

Definition of mainframe for English Language Learners

  • : a large and very fast computer that can do many jobs at once



Seen and Heard

What made you want to look up mainframe? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a small amount

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • winning-words-from-the-national-spelling-bee-logo
  • Which is the correct spelling of the winning word from 1988?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!