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[frat] /fræt/
noun, Informal.
fraternity (def 1).
Origin of frat
1890-95, Americanism; by shortening Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for frat
Contemporary Examples
Historical Examples
  • He wouldn't mind engineering, but the old grads in his frat.

    Rough-Hewn Dorothy Canfield
  • But one must stand by one's frat, you know—Gee, how proud I felt when I said that!

    At Good Old Siwash George Fitch
  • "It has nothing to do with the secret proceedings of your 'frat'," said Dora, primly.

    Ramsey Milholland Booth Tarkington
  • We old fellows needn't break our necks to get back to Siwash and the frat this fall, they write me.

    At Good Old Siwash George Fitch
  • At last his stumbling tongue blurted out, "V-virginia, do you want to wear my frat pin?"

    Mountain Clement Wood
British Dictionary definitions for frat


(US, slang)
  1. a member of a fraternity
  2. (as modifier): the frat kid
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
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Word Origin and History for frat

student slang shortening of fraternity, by 1888.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for frat



  1. A college fraternity (1895+ College students)
  2. (also frat rat) A fraternity member (1895+ College students)
  3. A male student who conforms to middle-class norms of conduct and dress: A ''frat'' is a youth who dresses neatly and conforms to the accepted patterns (1960s+ Teenagers)
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Related Abbreviations for frat


The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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