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jock·strapalso jock strap (jŏk′străp′)
See athletic supporter.
[jock, male genitals (of unknown origin) + strap.]
(Clothing & Fashion) an elasticated belt with a pouch worn by men, esp athletes, to support the genitals. Also called: athletic support
[C20: from slang jock penis + strap]
an elasticized belt with a pouch for supporting the genitals, worn as an undergarment by men esp. while participating in athletics.Also called athletic supporter.