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jock

1 American  
[jok] / dʒɒk /

noun

Informal.
  1. jockey.

  2. disc jockey.


jock 2 American  
[jok] / dʒɒk /

noun

  1. a jockstrap.

  2. Informal. an athlete.

  3. Informal. an enthusiast.

    a computer jock.


Jock 3 American  
[jok] / dʒɒk /

noun

  1. Scot. and Irish English.

    1. a nickname for John.

    2. an innocent lad; country boy.

  2. British Informal.

    1. a Scottish soldier or a soldier in a Scottish regiment.

    2. Usually Offensive. a term used to refer to or address a Scot.

  3. a male given name.


jock 1 British  
/ dʒɒk /

noun

  1. informal short for disc jockey

  2. informal short for jockstrap

  3. informal an athlete

  4. mining a pointed bar of steel inserted into the wheel of a mine vehicle and used for emergency braking

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Jock 2 British  
/ dʒɒk /

noun

  1. a slang word or term of address for a Scot

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of jock1

First recorded in 1820–30; shortened form of jockey

Origin of jock2

First recorded in 1950–55; by shortening from jockstrap

Origin of Jock3

First recorded in 1500–10

Explanation

A jock is a serious athlete, someone who enjoys and is good at sports. Your cousin the jock might encourage you to try out for the football team even if what you love is playing chess and acting in plays. The noun jock, which is mostly used for people who are excellent at physical challenges and sports, can also be used for someone with a non-sporty interest, like a music jock or a computer jock. Before it gained its "athlete" meaning, jock was shorthand for jockstrap, supportive underwear that's often worn by male athletes.

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Norms eventually hopes to offer products for “the butt to the gut and beyond,” Katz said about future ventures for athlete’s foot, jock itch and constipation.

From The Wall Street Journal Dec. 21, 2025

The truth is, Hank doesn’t think at all about who he is, or could become — only of the jock he was — which is the core of his problem.

From Los Angeles Times Aug. 28, 2025

On the James Whale Radio Show, the presenter was a cross between a shock jock, talk show host, gonzo roving reporter and working men's club MC.

From BBC Aug. 4, 2025

“A culture that celebrates the prom queen over the math olympiad champ, or the jock over the valedictorian, will not produce the best engineers,” the billionaire added.

From Salon Dec. 27, 2024

But Justin is a jock and pretty popular.

From "Finding Junie Kim" by Ellen Oh

Notable performances include the world premieres of a work choreographed by ex-New York City Ballet principal Jock Soto and a piece by contemporary dancer and choreographer Sidra Bell.

From The Wall Street Journal Aug. 9, 2026

Economist Jock O’Connell, international trade advisor at L.A.’s Beacon Economics, said that Trump may have authority to impose the 10% global tariffs, but additional levies would involve trade authorities.

From Los Angeles Times Feb. 20, 2026

Spanish forward Santi Aldama scored 29 points and Australian center Jock Landale added 21 off the bench to spark Memphis over the Sacramento Kings 137-96 as every player scored for the host Grizzlies.

From Barron's Nov. 21, 2025

They listen to playlists while pulling carts loaded with cinder blocks: yacht rock for mornings, Jock Jam in the afternoon.

From The Wall Street Journal Nov. 20, 2025

“It’s true, miss,” said Jock, forgetting she was an officer.

From "Code Name Verity" by Elizabeth Wein

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