flexor

noun

flex·​or ˈflek-sər  -ˌsȯr 

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

Examples of flexor in a Sentence

Recent Examples on the Web

These and other variations like ones involving free weights or resistance bands can also engage hip flexor, leg and butt muscles. —Daryl Austin, USA Today, 15 Mar. 2026

McIlroy described having sensitivity in the lower region of his back, glutes and hip flexors, but not pain. —Gabby Herzig, New York Times, 11 Mar. 2026

But Donahue had a slow start to this season and then missed three weeks with a torn hip flexor. —Steve Reaven, Chicago Tribune, 28 Feb. 2026

This positioning helps release your hip flexors (the muscles on the front of your hip joint). —Dana Santas, CNN Money, 30 Jan. 2026

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

Rhymes for flexor

• indexer
• multiplexer

Kids Definition

flexor

noun

flex·​or ˈflek-sər 

-ˌsȯ(ə)r

: a muscle that produces flexion

Medical Definition

flexor

noun

flex·​or ˈflek-sər  -ˌsȯ(ə)r 

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

called also flexor muscle

compare extensor