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

Nacua sat out against the Giants because of groin soreness.

From Los Angeles Times ● Sep. 22, 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

Ella was fluttering above him, dodging missiles and calling out advice: “The groin. The Earthborn’s groin is sensitive.”

From "The Son of Neptune" by Rick Riordan

“Yeah, it for sure felt like that. I think my knee bothering me helped my groins too,” he said.

From Los Angeles Times ● Jan. 22, 2024

“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

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

From Textbooks ● Jan. 1, 2017

We remained five days in this spot, partly to cure our wounds, partly for the sake of those who suffered from pain in the groins, but who soon recovered here.

From The Memoirs of the Conquistador Bernal Diaz del Castillo, Vol 1 (of 2) Written by Himself Containing a True and Full Account of the Discovery and Conquest of Mexico and New Spain. by Bernal Díaz del Castillo

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