lumbosacral
Lum`bo*sa"cral, n. Etym: [L. lumbus loin + E. sacral.] (Anat.) Defn: Of or pertaining to the loins and sacrum; as, the lumbosacral nerve, a branch of one of the lumber nerves which passes over the sacrum.
Lum`bo*sa"cral, n. Etym: [L. lumbus loin + E. sacral.] (Anat.) Defn: Of or pertaining to the loins and sacrum; as, the lumbosacral nerve, a branch of one of the lumber nerves which passes over the sacrum.