levator

from WordNet (r) 3.0 (2006)
levator
    n 1: a muscle that serves to lift some body part (as the eyelid
         or lip)
    
from The Collaborative International Dictionary of English v.0.48
Levator \Le*va"tor\ (l[-e]*v[=a]"t[o^]r), n. [NL., fr. L. levare
   to raise. See {Lever}, n.]
   1. (Anat.) A muscle that serves to raise some part, as the
      lip or the eyelid.
      [1913 Webster]

   2. (Surg.) A surgical instrument used to raise a depressed
      part of the skull.
      [1913 Webster]
    

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