'jockstrap' definitions:

Definition of 'jockstrap'

From: WordNet
noun
A support for the genitals worn by men engaging in strenuous exercise [syn: athletic supporter, supporter, suspensor, jockstrap, jock]

Definition of 'jockstrap'

From: GCIDE
  • jockstrap \jock"strap`\ (j[o^]k"str[a^]p), n.
  • 1. A supporting undergarment for the external genitals worn by men engaging in vigorous athletic sports or strenuous exercise; called also athletic supporter and jock.
  • Syn: jock; athletic supporter. [WordNet 1.5]