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thigh

American  
[thahy] / θaɪ /

noun

  • thighs
    plural
  1. the part of the lower limb in humans between the hip and the knee.

  2. the corresponding part of the hind limb of other animals; the femoral region.

  3. (in birds)

    1. the true femoral region that is hidden by the skin or feathers of the body.

    2. the segment below, containing the fibula and tibia.

  4. Entomology. the femur.


thigh British  
/ θaɪ /

noun

  1. the part of the leg between the hip and the knee in man

  2. the corresponding part in other vertebrates and insects

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of thigh

before 900; Middle English thi, thigh ( e ), the ( h ), Old English thīoh, thēoh; cognate with Dutch dij, Old High German dioh, Old Norse thjō


Explanation

Your thigh is the part of your leg between your hip and your knee. Your thighs are probably the strongest parts of your body. Humans' thighs have just one extremely strong bone, the femur, and many muscles, including the hamstrings and quadriceps. Your thigh is joined to your torsos with a ball-and-socket hip joint, and to your lower leg by the hinge joint of a knee. The word thigh comes from a Germanic source that means "the thick or fat part of the leg."

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Dembele limped off with a left thigh injury while Marquinhos injured his right thigh.

From BBC ● Oct. 21, 2026

She was bitten on her thigh and her upper arm, one of her fellow swimmers told the BBC.

From BBC ● Oct. 20, 2026

The study found that people taking the drug lost about two-thirds to three-quarters less thigh muscle than those taking semaglutide alone.

From The Wall Street Journal ● Oct. 1, 2026

Among patients 66 and older, demand for breast augmentations, tummy tucks, arm lifts, thigh lifts and facelifts all increased by double digits.

From MarketWatch ● Sep. 5, 2026

Hedge plucked some fur off his thigh and let it float through the air.

From "The House of Hades" by Rick Riordan

Females have striking coloration around the groin and thighs, where orange or light blue tones can appear alongside black spots.

From Science Daily ● Sep. 5, 2026

She clutches her thighs, then her chair, crying and occasionally looking up at the sky, as if searching for answers.

From Barron's ● Jul. 8, 2026

These are expected to include non-surgical BBLs, face lifts and filler-based body contouring treatments, which alter the shape of areas such as the stomach, thighs or buttocks.

From BBC ● Jul. 5, 2026

A recent Chipotle ad for the chain’s adobo chicken advertises the meat as grilled—even as an actor flips the thighs on what appears to be a flat-top griddle.

From The Wall Street Journal ● Jun. 26, 2026

Coach’s sitting on the steps, knees apart, his elbows on his thighs.

From "Black Brother, Black Brother" by Jewell Parker Rhodes

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