Vertebra

ver′tē-bra, n. one of the segmented portions of the spinal column:— pl. Vertebræ (ver′te-brē). — adj. Ver′tebral .— adv. Ver′tebrally .— n.pl. Vertebrā′ta , a division of the animal kingdom containing all animals having a backbone or its equivalent.— n. Ver′tebrāte , an animal having an internal skeleton with a backbone.— adjs. Ver′tebrāte , -d , furnished with joints: having a backbone.— n. Vertebrā′tion , the formation of vertebræ;. [L.,— vertĕre , to turn.]