WordNet
extensor muscle
n. a skeletal muscle whose contraction extends or stretches a body part [syn: extensor] [ant: flexor muscle]
Usage examples of "extensor muscle".
The section was neat, clearly revealing the tendon of the extensor muscle.
It has an extremely wide flank-membrane, stretching from the corners of the jaw to the tail, and including the limbs and the elongated fingers: the flank membrane is, also, furnished with an extensor muscle.