Source : Webster's Revised Unabridged Dictionary (1913)

Vertebrarterial \Ver`te*brar*te"ri*al\, a. (Anat.)
   Of or pertaining to a vertebr[ae] and an artery; -- said of
   the foramina in the transverse processes of cervical
   vertebr[ae] and of the canal which they form for the
   vertebral artery and vein.