\ 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

Autopsy reports determined Lewis sustained four gunshot wounds to his face, thighs and groin. Fox News, "Oklahoma City police say shooting of naked and unarmed teen was justified," 9 Aug. 2019 The 49ers added Valoaga with four defensive linemen, Bosa, Dee Ford (knee), Arik Armstead (calf) and Ronald Blair (groin), sidelined. Eric Branch,, "49ers’ McKinnon, Williams, Verrett in danger of missing season opener," 8 Aug. 2019 Other defensive ends ailing are Arik Armstead (calf), Ronald Blair (groin) and Jamell Garcia-Williams (concussion). Cam Inman, The Mercury News, "Nick Bosa’s ankle injury will keep him out for preseason, possibly season opener," 8 Aug. 2019 Defensively, the Texans held out defensive end J.J. Watt (groin) along with inside linebacker Zach Cunningham, nose tackle D.J. Reader and safety Justin Reid. Aaron Wilson, Houston Chronicle, "Texans start Joe Webb at QB; Deshaun Watson held out," 8 Aug. 2019 The man, who suffered a gunshot wound to the groin, was taken to Mount Sinai in stable condition. Morgan Greene,, "Eight people shot, one fatally, in same burst of gunfire hours after Douglas Park shooting," 4 Aug. 2019 To see if the patient was carrying C. auris, the treating doctors in Maryland swabbed the patient's groin and armpits. Beth Mole, Ars Technica, "Got a horrifying foreign superbug? You may have more than one," 1 Aug. 2019 The group learned how to make quick strikes to vulnerable parts of an assailant's body, such as the neck, eyes or groin. Lavendrick Smith, Dallas News, "Dallas police offer free self-defense class after attacks targeting LGBTQ community," 27 July 2019 The weapon fired, sending a bullet into the Hines' groin, police said. Cameron Knight,, "Police: Man shot last year by girlfriend has stabbed her in the chest," 25 July 2019

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

13 Aug 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).


to move or obtain by small maneuvers

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