knee

1 of 2

noun

often attributive
Synonyms of kneenext
1
a
: a joint in the middle part of the human leg that is the articulation between the femur, tibia, and patella
also : the part of the leg that includes this joint
b(1)
: the joint in the hind leg of a four-footed vertebrate that corresponds to the human knee
(2)
: the carpal joint of the foreleg of a four-footed vertebrate
c
: the tarsal joint of a bird
d
: the joint between the femur and tibia of an insect
2
: something resembling the human knee: such as
a
: a piece of timber naturally or artificially bent for use in supporting structures coming together at an angle (such as the deck beams of a ship)
b
: a rounded or conical process rising from the roots of various swamp-growing trees
cypress knee
3
: the part of a garment covering the knee
4
: a blow with the bent knee
kneed adjective

see also to one's knees

knee

2 of 2

verb

kneed; kneeing

transitive verb

1
: to strike with the knee
2
archaic : to bend the knee to

Examples of knee in a Sentence

Noun I fell down and hurt my knee. She suffered a serious knee injury. His knees trembled with fear. He got down on one knee and proposed to her. His little granddaughter sat on his knee. Her jeans had holes at the knees. Verb His attacker kneed him in the stomach.
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
Lindsey Vonn was the 13th skier to hit the slopes in the alpine ski women’s downhill at the 2026 Milan Cortina Olympics on Sunday and her dreams of powering through a devastating knee injury to make the medal podium came to a crashing halt. Ryan Gaydos, FOXNews.com, 8 Feb. 2026 Spillane missed Wednesday’s practice with an ankle injury, and Landry missed Thursday’s session with a knee injury. Amos Morale Iii, New York Times, 7 Feb. 2026 But my classic massage did the trick, and limbered me right up after a day of bending my knobby knees on the slopes. Condé Nast, Condé Nast Traveler, 7 Feb. 2026 Letuli is recovering from knee surgery and will be limited until fall camp. Kirk Kenney, San Diego Union-Tribune, 7 Feb. 2026 See All Example Sentences for knee

Word History

Etymology

Noun

Middle English, from Old English cnēow; akin to Old High German kneo knee, Latin genu, Greek gony

First Known Use

Noun

before the 12th century, in the meaning defined at sense 1a

Verb

before the 12th century, in the meaning defined at sense 2

Time Traveler
The first known use of knee was before the 12th century

Browse Nearby Words

Cite this Entry

“Knee.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/knee. Accessed 10 Feb. 2026.

Kids Definition

knee

1 of 2 noun
1
: the joint or region in the middle part of the human leg in which the femur, tibia, and kneecap come together
also : a corresponding part of a four-footed mammal
2
: something resembling the knee
especially : a cone-shaped upward growth from the roots of a few swamp-growing trees (as a cypress of the southern U.S.) that extends above the surrounding water
3
: the part of a garment covering the knee
kneed adjective

knee

2 of 2 verb
kneed; kneeing
: to strike with the knee

Medical Definition

knee

noun
1
a
: a joint in the middle part of the human leg that is the articulation between the femur, tibia, and patella

called also knee joint

b
: the part of the leg that includes this joint
2
a
: the joint in the hind leg of a 4-footed vertebrate that corresponds to the human knee
b
: the carpal joint of the foreleg of a 4-footed vertebrate
kneed adjective

More from Merriam-Webster on knee

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster