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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.