jockstrap

[ jok-strap ]
/ ˈdʒɒkˌstræp /

noun

an elasticized belt, a men's undergarment, with a pouch for supporting and protecting the genitals, worn especially while participating in athletics.

Origin of jockstrap

1895–1900; jock male organ (variant of jack1 male; see Jock) + strap
Also called athletic supporter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for jockstrap

jockstrap

/ (ˈdʒɒkˌstræp) /

noun

an elasticated belt with a pouch worn by men, esp athletes, to support the genitalsAlso called: athletic support

Word Origin for jockstrap

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