Noun
levator labii superioris (plural levatores labii superioris)
(anatomy) A facial muscle arising from the lower margin of the orbit and inserting into the muscular substance of the upper lip which it elevates.
Synonym: quadratus labii superior
Hypernym: levator
Coordinate terms: levator anguli oris, levator ani, levator costae, levator labii superioris alaeque nasi, levator palpebrae superioris, levator prostatae, levator scapulae, levator veli palatini