What does "vertebrate" mean?

Vertebrate: (Anat.) Having a backbone, or vertebral column, containing the spinal marrow, as man, quadrupeds, birds, amphibia, and fishes.

Additional senses

  1. 2.(Bot.) Contracted at intervals, so as to resemble the spine in animals. Henslow.
  2. 3.(Zoöl.) Having movable joints resembling vertebræ; -- said of the arms ophiurans.
  3. 4.(Zoöl.) Of or pertaining to the Vertebrata; -- used only in the form vertebrate.

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