\ 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 The rashes that characterize monkeypox appeared around his groin, arms, throat and face. Neeraj G. Patel And Nadia Kounang, CNN, 2 Aug. 2022 The surgeon cut two blood vessels near my groin, then inserted sheaths and wires that wound their way through my abdomen. Lorraine Boissoneault, The New Yorker, 30 July 2022 In the chemistry department, another professor allegedly pressed his groin against a student. Lila Seidman, Los Angeles Times, 28 July 2022 Tight end Devin Funchess suffered what Campbell indicated was a minor groin injury late in practice. Dave Birkett, Detroit Free Press, 29 July 2022 Wagner is part of an inside linebacker corps that includes second-year pro Ernest Jones and veteran Travin Howard, who is sidelined following surgery for a groin injury. Gary Klein, Los Angeles Times, 26 July 2022 Tovar, the Eastern League leader in batting average for the entirety of the season, is nursing a groin injury and hasn’t played since June 29. Joe Arruda, Hartford Courant, 11 July 2022 Anderson did not play between May 29 and June 20 because of a groin injury. Mark Inabinett |, al, 8 July 2022 Tim Anderson, a true team leader, missed time with a groin injury. Bernie Pleskoff, Forbes, 1 July 2022 See More

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.

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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Time Traveler for groin

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The first known use of groin was circa 1532

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Last Updated

17 Aug 2022

Cite this Entry

“Groin.” Dictionary, Merriam-Webster, Accessed 17 Aug. 2022.

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More Definitions for groin


\ 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

More from Merriam-Webster on groin

Nglish: Translation of groin for Spanish Speakers

Britannica English: Translation of groin for Arabic Speakers


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