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[jok-strap] /ˈdʒɒkˌstræp/
an elasticized belt, a men's undergarment, with a pouch for supporting and protecting the genitals, worn especially while participating in athletics.
Also called athletic supporter.
Origin of jockstrap
1895-1900; jock male organ (variant of jack1 male; see Jock) + strap Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for jockstrap


an elasticated belt with a pouch worn by men, esp athletes, to support the genitals Also called athletic support
Word Origin
C20: from slang jock penis + strap
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 jockstrap

also jock-strap, "supporter of the male genital organs, used in sports," 1897, with strap (n.) + jock slang for "penis" c.1650-c.1850, probably from Jock, the nickname for John, which was used generically for "common man" from c.1500.

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



  1. An athletic supporter (1897+)
  2. An athlete; jock (1960s+)


To make one's living in the less glamorous and lucrative reaches of professional sports: He spent a couple of years jockstrapping in the minor leagues (1960s+)

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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