levator n 1: a muscle that serves to lift some body part (as the eyelid or lip)
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]