Vertebra, vertebræ, pen. cor. siue Vertibulum, vertibuli, penul. cor. Plin. A ioint in the hodie, where the bones so mete that they way turne, as in the backe bone or chine.Pedum crurumqne resoluræ vertebræ. Sen.
Lewis and Short: Latin dictionary
vertēbra, ae, f. [verto], a joint.I. In gen., Cels. 8, 1, Plin. 11, 46, 106, 255; Sen. Ep. 78, 8.—Of insects, Plin. 11, 1, 1, 1.—II. In partic., a joint, vertebra of the spine, Cels. 8, 1.—III. In late Lat. collat. form vertēbrum, i, n., = i)sxi/on, the hip-bone, Cael. Aur Acut. 1, 10, 71 al.