levator ani noun1 •a broad, thin muscle, situated on the side of the pelvis, that forms part of the pelvic floor. In humans it supports the viscera in pelvic cavity and in quadruped animals with tails it is the muscle used to wag the tail.He had not mentioned suture of the levatores ani muscles, as he considered it a minor part of the operation. — 1921 formslevatores ani
