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English definition of “jock”

jock

noun uk   /dʒɒk/ us    /dʒɑːk/

jock noun (PERSON)

[C] US informal disapproving a person who is extremely enthusiastic about sportCompetitors and participants in sports and games

jock noun (UNDERWEAR)

jocks [plural] Australian English informal a piece of underwear worn by men and boys that covers the area between the waist and the tops of the legs
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Underwear
(Definition of jock noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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