- any muscle whose contraction serves to bend a joint or limb
Compare extensor
WordReference Random House Unabridged Dictionary of American English © 2026
flex•or
(flek′sər),USA pronunciation n. [Anat.]
- Anatomya muscle that serves to flex or bend a part of the body.
- Neo-Latin; see flex1, -tor
- 1605–15
Collins Concise English Dictionary © HarperCollins Publishers::
flexor /ˈflɛksə/ n
'flexor' also found in these entries (note: many are not synonyms or translations):