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

Last season, Burns missed nearly a month from mid-August to mid-September with a Grade 1 right flexor strain, pitching out of the bullpen over the final weeks of the season upon his return. — C. Trent Rosecrans, New York Times, 17 July 2026

Seated Knee Extensions This exercise works your quadriceps, also known as your hip flexors, or the muscles on the front of your thighs. — Rikkilynn Shields Hannigan, Health, 10 July 2026

In one 12-week study, toe resistance exercises improved toe flexor strength by up to 36%. — Sarah Bence, Verywell Health, 7 July 2026

Viewers watched as Swindel battled with some injuries during her fourth year, including issues with her hip flexor that affected her high kicks. — Lynsey Eidell, PEOPLE, 18 June 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