Search Result for "supinator": 
Wordnet 3.0

NOUN (1)

1. a muscle (especially in the forearm) that produces or assists in supination; 



The Collaborative International Dictionary of English v.0.48:

Supinator \Su`pi*na"tor\, n. [NL.] (Anat.)
   A muscle which produces the motion of supination.
   [1913 Webster]


WordNet (r) 3.0 (2006):

supinator
    n 1: a muscle (especially in the forearm) that produces or
         assists in supination