flexor

noun

flex·​or ˈflek-sər How to pronounce flexor (audio) -ˌsȯr How to pronounce flexor (audio)
: a muscle serving to bend a body part (such as a limb)

Examples of flexor 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.
That includes the hip flexors on your back leg as well as the ankle on your front leg, Dr. Yu says. Jenny McCoy, SELF, 19 June 2025 Squat test: Measures the endurance of your knee flexor and extensor muscles. Sherri Gordon, Health, 8 May 2025 The hip flexors include the iliopsoas and rectus femoris. Aubrey Bailey, Verywell Health, 5 June 2025 Slowly lean your hips forward so that your knee bends even more (to about a 45-degree angle), feeling a stretch in the hip flexor of your rear leg. Alyssa Ages, Outside Online, 27 May 2025 See All Example Sentences for flexor

Word History

Etymology

borrowed from New Latin, from Latin flectere "to cause to go in a different direction, bend, curve" (of uncertain origin) + -tor, agent suffix

First Known Use

1615, in the meaning defined above

Time Traveler
The first known use of flexor was in 1615

Browse Nearby Words

Cite this Entry

“Flexor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flexor. Accessed 27 Jun. 2025.

Kids Definition

flexor

noun
flex·​or ˈflek-sər How to pronounce flexor (audio)
-ˌsȯ(ə)r
: a muscle that produces flexion

Medical Definition

flexor

noun
: a muscle serving to bend a body part (as a limb)

called also flexor muscle

compare extensor
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!