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