Source : Webster's Revised Unabridged Dictionary (1913)

Vertebral \Ver"te*bral\, a. [Cf. F. vert['e]bral.]
   1. (Anat.) Of or pertaining to a vertebr[ae], or the
      vertebral column; spinal; rachidian.

   2. Vertebrate.

Vertebral \Ver"te*bral\, n. (Zo["o]l.)
   A vertebrate. [R.]

Source : WordNet®

vertebral
     adj : of or relating to or constituting vertebrae