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groin

1 of 2

noun

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
2
a
: 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

Illustration of groin

Illustration of groin
  • groin 2a

groin

2 of 2

verb

groined; groining; groins

transitive verb

: to build or equip with groins

Examples of groin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Soon after, the Heat labeled Powell’s return to the contest as questionable because of a left groin strain. Anthony Chiang, Miami Herald, 22 Nov. 2025 He was dressed in full black, with a gas mask and ballistic helmet covering his face and head, as well as a bullet-resistant vest, leggings, a throat protector, a groin protector and tactical gloves. Mary Walrath-Holdridge, USA Today, 21 Nov. 2025 Johnson was a full participant in practice for the second day in a row on Friday, after the Bears opened up his 21-day practice window last week following groin surgery. Todd Feurer, CBS News, 21 Nov. 2025 That fact will take on even greater importance for the Bucks now that Giannis Antetokounmpo is set to miss some games with a left groin strain. Eric Nehm, New York Times, 19 Nov. 2025 See All Example Sentences for groin

Word History

Etymology

Noun

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

First Known Use

Noun

circa 1532, in the meaning defined at sense 1

Verb

circa 1816, in the meaning defined above

Time Traveler
The first known use of groin was circa 1532

Browse Nearby Words

Cite this Entry

“Groin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groin. Accessed 26 Nov. 2025.

Kids Definition

groin

1 of 2 noun
1
: the junction of the lower abdomen and the inner part of the thigh or the part of the body around this junction
2
: the curved line or rib on a ceiling along which two vaults meet

groin

2 of 2 verb
: to build or equip with groins

Medical Definition

groin

noun
: 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

Last Updated: - Updated example sentences
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