from The American Heritage® Dictionary of the English Language, 4th Edition
- n. See athletic supporter.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An athletic supporter worn by men to support the genitals during strenuous exercise.
from the GNU version of the Collaborative International Dictionary of English
- n. A supporting undergarment for the external genitals worn by men engaging in vigorous athletic sports or strenuous exercise; called also athletic supporter and jock.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a support for the genitals worn by men engaging in strenuous exercise
jock, male genitals (of unknown origin) + strap.(American Heritage® Dictionary of the English Language, Fourth Edition)
jock + strap from the earlier forms bike jockey strap and jockey strap. (Wiktionary)