(1):
(a.) Contracted at intervals, so as to resemble the spine in animals.
(2):
(a.) Of or pertaining to the Vertebrata; - used only in the form vertebrate.
(3):
(a.) Having movable joints resembling vertebrae; - said of the arms ophiurans.
(4):
(a.) Having a backbone, or vertebral column, containing the spinal marrow, as man, quadrupeds, birds, amphibia, and fishes.