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
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Noun
This marked the 19th game that Powell missed this season, three due to the birth of his daughter and 16 due to injury, including seven recent games when he was sidelined with a groin strain. Barry Jackson, Miami Herald, 22 Mar. 2026 But these ailments, including the recent seven-game absence with the groin strain, have to be concerning. Ira Winderman, Sun Sentinel, 22 Mar. 2026 Landeskog has missed the past seven games after taking a Cale Makar shot to the groin area March 6 against the Dallas Stars. Corey Masisak, Denver Post, 22 Mar. 2026 The veteran point guard also hurt his groin in the Big 12 Tournament. Dave Skretta, Chicago Tribune, 22 Mar. 2026 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

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Cite this Entry

“Groin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groin. Accessed 25 Mar. 2026.

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

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