\ ˈgrȯin How to pronounce groin (audio) \

Definition of groin

 (Entry 1 of 2)

1 : the fold or depression marking the juncture of the lower abdomen and the inner part of the thigh also : the region of this line
2a : the projecting curved line along which two intersecting vaults meet
b : a rib that covers this edge
3 : a rigid structure built out from a shore to protect the shore from erosion, to trap sand, or to direct a current for scouring a channel


groined; groining; groins

Definition of groin (Entry 2 of 2)

transitive verb

: to build or equip with groins

Illustration of groin

Illustration of groin


groin 2a

In the meaning defined above

Examples of groin in a Sentence

Recent Examples on the Web: Noun

After hitting LeBron James in the groin area late in the Warriors’ Game 4 win in 2016, Green later received a flagrant 1. Matt Schneidman, The Mercury News, "Warriors’ Draymond Green has to be extra careful in Game 6," 12 June 2019 While most clothing items are probably OK to re-wear (given the caveats noted above), anything directly touching the groin area—including underwear and any pants worn commando—should definitely be washed after every use, says Dr. Fenton. Jenny Mccoy, SELF, "How Gross Is It Really to Re-Wear Sweaty Workout Clothes?," 5 June 2019 Couture also missed significant time in the second period after being hit in the groin area by a shot but returned for the third. Josh Dubow, The Seattle Times, "Golden Knights tie series with Sharks with 5-3 win in Game 2," 13 Apr. 2019 In an essay published by the Guardian in March, cyclist Hannah Dines detailed her experience having to undergo surgery after years riding bike saddles that didn’t properly pressure-map her groin led to chronic inflammation and long-term trauma. Lauren Steele, WSJ, "Sports Gear Designed for Women’s Bodies—Not Stereotypes," 10 May 2019 Injuries have derailed his opportunities at times, though, and a groin knock suffered in a pre-World Cup friendly has Belgium holding its breath. Avi Creditor,, "Meet the Ultimate World Cup 23: The Best Talent in Russia," 11 June 2018 Paul missed the Rockets’ first game against his former team with a strained groin. Jonathan Feigen, Houston Chronicle, "Is Chris Paul hurt or not hurt? 'I'm cool,' says the Rockets guard, who will play Thursday," 14 Mar. 2018 Former Cav Derrick Williams signed a 10-day contract with the Lakers Friday because leading scorer Brandon Ingram is out with a strained groin. Joe Vardon,, "Cleveland Cavaliers at Los Angeles Lakers, Game 66 preview and listings," 11 Mar. 2018 Vaccaro, who played the 2017 season in the final year of his contract, started 12 games before landing on injured reserve on Dec. 21 with groin and wrist injuries. Herbie Teope,, "Marcus Williams' arrival solidifies Saints safety group," 5 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'groin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of groin


circa 1532, in the meaning defined at sense 1


circa 1816, in the meaning defined above

History and Etymology for groin


alteration of Middle English grynde, from Old English, abyss; akin to Old English grund ground

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Statistics for groin

Last Updated

18 Jun 2019

Look-up Popularity

Time Traveler for groin

The first known use of groin was circa 1532

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More Definitions for groin



English Language Learners Definition of groin

: the area of the body where your legs come together


\ ˈgrȯin How to pronounce groin (audio) \

Kids Definition of groin

: the fold or area where the abdomen joins the thigh


\ ˈgrȯin How to pronounce groin (audio) \

Medical Definition of groin

: the fold or depression marking the juncture of the lower abdomen and the inner part of the thigh also : the region of this line

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More from Merriam-Webster on groin

Rhyming Dictionary: Words that rhyme with groin

Spanish Central: Translation of groin

Nglish: Translation of groin for Spanish Speakers

Britannica English: Translation of groin for Arabic Speakers

Comments on groin

What made you want to look up groin? Please tell us where you read or heard it (including the quote, if possible).


behavior toward others

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