sacrococcygeus ventralis

noun
sacrococcygeus ven·​tra·​lis | \ -ven-ˈtrā-ləs How to pronounce sacrococcygeus ventralis (audio) \

Medical Definition of sacrococcygeus ventralis

: an inconstant muscle that sometimes extends from the ventral surface of the lower sacral vertebrae to the coccyx

called also anterior sacrococcygeal muscle