flexor
nounUK /ˈflɛksə/
US /ˈflɛksər/
A muscle that bends a part of your body.
Your biceps is a flexor that helps you bend your arm.
OTHER MEANINGS
2. A muscle that decreases the angle between two bones.
The flexor muscles of the fingers let you make a fist.
3. Anything that causes bending or flexion.
The flexor tendon pulled the toe downward.
4. Relating to or serving to bend a limb.
The doctor checked the flexor reflex in the patient's leg.