levator palpebrae superioris
noun
levator pal·pe·brae su·pe·ri·or·is
| \ -ˌpal-ˈpē-ˌbrē-su̇-ˌpir-ē-ˈȯr-əs
\
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Medical Definition of levator palpebrae superioris
: a thin flat extrinsic muscle of the eye arising from the lesser wing of the sphenoid bone, passing forward and downward over the superior rectus, and inserting into the tarsal plate of the skin of the upper eyelid which it raises