Cadaveric \Ca*dav"er*ic\, a. Of, pertaining to, or resembling, a corpse, or the changes produced by death; cadaverous; as, cadaveric rigidity. --Dunglison.

Cadaveric alkaloid, an alkaloid generated by the processes of decomposition in dead animal bodies, and thought by some to be the cause of the poisonous effects produced by the bodies. See Ptomaine.

Source: Webster's Revised Unabridged Dictionary (1913)