extensor : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: extensor	by the DICT Development Group
2 results for extensor
From WordNet (r) 3.0 (2006) [wn]:
extensor n a skeletal muscle whose contraction extends or stretches a body part Synonym(s): extensor muscle, extensor Antonym(s): flexor, flexor muscle
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
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.