Definition of vertebrated

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