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.
Single-Leg Standing Clamshells and Kickback Clamshell exercises are great and efficient moves for activating the gluteus muscles and hip flexors, which are crucial to overall stability. Mallory Creveling, Health, 15 May 2026 The flexor strain that Nick Pivetta sustained in mid-April triggered another pivot; the Padres last week added Lucas Giolito to an equation with no obvious opening just yet. Jeff Sanders, San Diego Union-Tribune, 1 May 2026 Gentle hip flexor and lower back stretches help your body relax into the supine position rather than fighting it. Allison Palmer, Fort Worth Star-Telegram, 9 Apr. 2026 Gentle hip flexor and lower backstretches help your body settle into the position instead of fighting it. Allison Palmer, Miami Herald, 9 Apr. 2026 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 21 May. 2026.

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
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