Search Result for "extensor":
Wordnet 3.0

NOUN (1)

1. a skeletal muscle whose contraction extends or stretches a body part;
[syn: extensor muscle, extensor]



The Collaborative International Dictionary of English v.0.48:

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]