'Extensor' definitions:

Definition of 'extensor'

(from WordNet)
noun
A skeletal muscle whose contraction extends or stretches a body part [syn: extensor muscle, extensor] [ant: flexor, flexor muscle]

Definition of 'Extensor'

From: GCIDE
  • Extensor \Ex*ten"sor\, n. [L., one who stretches. See Extend.] (Anat.) A muscle which serves to extend or straighten any part of the body, as an arm or a finger; -- opposed to flexor. [1913 Webster]

Words containing 'Extensor'