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heavyweight

[hev-ee-weyt] /ˈhɛv iˌweɪt/
adjective
1.
2.
of more than average weight or thickness:
a coat of heavyweight material.
3.
noting or pertaining to a boxer, wrestler, etc., of the heaviest competitive class, especially a professional boxer weighing more than 175 pounds (79.4 kg).
4.
of or relating to the weight class or division of such boxers:
a heavyweight bout.
5.
(of a riding horse, especially a hunter) able to carry up to 205 pounds (93 kg).
6.
designating a person, company, nation, or other entity that is extremely powerful, influential, or important:
a team of heavyweight lawyers.
noun
7.
a person of more than average weight.
8.
a heavyweight boxer or wrestler.
9.
a person, company, nation, or other entity that is powerful and influential:
a price hike initiated by the heavyweights in the industry.
Origin
1850-1855
1850-55; heavy + weight
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for heavy weight

heavyweight

/ˈhɛvɪˌweɪt/
noun
1.
a person or thing that is heavier than average
2.
  1. a professional boxer weighing more than 175 pounds (79 kg)
  2. an amateur boxer weighing more than 81 kg (179 pounds)
  3. (as modifier): the world heavyweight championship
3.
a wrestler in a similar weight category (usually over 214 pounds (97 kg))
4.
(informal) an important or highly influential person
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 heavy weight

heavyweight

noun and adj., 1857 of horses; 1877 of fighters; from heavy + weight. Figuratively, of importance, from 1928.

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

heavyweight

noun

An important person; biggie: He's some sort of heavyweight in the rag trade (1890+)


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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