groin

American  

[groin] / grɔɪn /

noun

• groins
  plural

1. Anatomy. the fold or hollow on either side of the front of the body where the thigh joins the abdomen.

2. the general region of this fold or hollow.

3. Architecture. the curved line or edge formed by the intersection of two vaults.

4. Also groyne a small jetty extending from a shore to prevent beach erosion.

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verb (used with object)

1. Architecture. to form with groins.

groin British  

/ ɡrɔɪn /

noun

1. the depression or fold where the legs join the abdomen

2. euphemistic the genitals, esp the testicles

3. a variant spelling (esp US) of groyne

4. architect a curved arris formed where two intersecting vaults meet

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verb

1. (tr) architect to provide or construct with groins

Other Word Forms

Derived Forms

• ungroined
  adjective

Inflected Forms

Nouns

• groins
  plural

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Etymology

Origin of groin

1350–1400; earlier grine, Middle English grinde; compare Old English grynde “abyss,” akin to grund “bottom, ground ¹ ”

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Example Sentences

See Examples For:

groin groins

"They'll coax excess lymph fluid from your swollen tissues toward your lymph nodes, where the lymph can reabsorb," he says - adding lymph nodes are found in the armpits, neck and groin.

From BBC ● Oct. 1, 2026

The impending return of Sam Curran from a groin injury - who remains important as a left-handed batter and seam-bowling option in the top seven - could also create a squeeze for places.

From BBC ● Sep. 28, 2026

Dodgers left-hander Blake Snell, who exited his start last week with left groin tightness, threw a bullpen on Tuesday.

From Los Angeles Times ● Sep. 23, 2026

Palmer was hampered by a recurring groin injury in 2025-26, which former Chelsea manager Enzo Maresca - who is now boss at Manchester City - said did not make sense.

From BBC ● Sep. 21, 2026

There was fungus, too, issuing out of the cracks, and in the groin of a branch, in weird, spongy shapes.

From "I'm the King of the Castle" by Susan Hill

“The shot blocking, the groins, the hips, the cuts, the bruises, playing every second night: That’s the toll,” coach Jon Cooper said Sunday.

From Seattle Times ● Jun. 19, 2022

The Army Corps of Engineers, which began the Rockaway resiliency project in 2020, is installing stone structures called groins — similar to rock jetties — into the ocean to fortify sand along the beach.

From New York Times ● May 29, 2022

The Giants and Dodgers have a rich and colorful sports rivalry featuring bats thrown at heads, balls to groins and an impressive bounty of World Series trophies.

From Los Angeles Times ● Oct. 16, 2021

Human intervention in beach processes, like jetties and groins, have negative consequences that need to be mitigated.

From Textbooks ● Jan. 1, 2017

The groins stop short a little below the dome's apex, where they are arched into one another, leaving a saucer-shaped crown now capped by a Turkish finial.

From Byzantine Churches in Constantinople Their History and Architecture by Alexander Van Millingen

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