I. ˈjäk noun
( -s )
Usage: often capitalized
Etymology: from Jock, Scots & Irish nickname for John
1. Scot & Irish : a country boy : lad
2. : a soldier in a Scottish regiment
II. noun
( -s )
Etymology: short for jockey (I)
1. : jockey 2a
any one of two dozen top jocks will get home with the best horse in a race — Eddie Arcaro
2. : disc jockey
III.
variant of jockstrap
IV. noun
Etymology: so called from the wearing of jockstraps by male athletes
1. : athlete ; especially : a school or college athlete
2. : pilot ; especially : a fighter pilot
3. : a person devoted to a single pursuit or interest
computer jocks