noun Anatomy.
- a muscle that serves to flex or bend a part of the body.
noun
- any muscle whose contraction serves to bend a joint or limbCompare extensor
1610s, Modern Latin, short for musculus flexor “a bending muscle,” agent noun from past participle stem of Latin flectere “to bend” (see flexible).
n.
- A muscle that when contracted acts to bend a joint or limb in the body.
- A muscle that bends or flexes a joint. Compare extensor.