\ 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 floating dock had been clamped onto the top of a groin wall. Karen Berkowitz,, "Lake Michigan’s high levels are creating challenges for Highland Park boaters," 11 July 2019 In Game 2 of the Western Conference finals Draymond Green inadvertently drove his knee into the groin of Oklahoma City’s Steven Adams. Gary Peterson, The Mercury News, "NBA institutes coach challenges; 5 times one would have come in handy for Steve Kerr," 10 July 2019 The Coastal Commission generally frowns upon seawalls, revetments and groins. San Diego Union-Tribune, "Group faces uphill battle to get sand-retaining groins on Oceanside beaches," 7 July 2019 That could be a cold shower, a dip in the pool, or ice on your head, armpits, and groin (where there are more blood vessels close to the surface of the skin). Michele Cohen Marill, WIRED, "How Extreme Heat Overwhelms Your Body and Becomes Deadly," 3 July 2019 Keita has been representing Guinea at this summer's Africa Cup of Nations, but picked up thigh and groin niggles - which, as reported by the Mirror, have forced him to fly back to England for further treatment., "Liverpool Dealt Major Injury Blow With Key Figure Set to Miss Start of New Season," 2 July 2019 Bergeron is expected to recover from this season’s groin trouble and remain an effective No. 1. Matt Porter,, "Cam Neely’s Bruins will continue to look for a No. 2 right wing," 18 June 2019 The 29-year-old Karlsson had surgery on the groin on May 31 and is expected to recover fully before the start of next season. Josh Dubow,, "Sharks sign Erik Karlsson to eight-year, $92 million contract," 17 June 2019 Don't be content looking at your arms and ankles, ticks often attach in hard to reach places like the armpit or groin, including beneath your clothing. James Lynch, Popular Mechanics, "How to Remove a Tick," 13 June 2019

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.

See More

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

Keep scrolling for more

Learn More about groin

Statistics for groin

Last Updated

16 Jul 2019

Look-up Popularity

Time Traveler for groin

The first known use of groin was circa 1532

See more words from the same year

Keep scrolling for more

More Definitions for groin



English Language Learners Definition of groin

: the area of the body where your legs come together


\ 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

Keep scrolling for more

More from Merriam-Webster on groin

Rhyming Dictionary: Words that rhyme with groin

Spanish Central: Translation of groin

Nglish: Translation of groin for Spanish Speakers

Britannica English: Translation of groin for Arabic Speakers

Comments on groin

What made you want to look up groin? Please tell us where you read or heard it (including the quote, if possible).


to complain fretfully

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!