The Collaborative International Dictionary of English v.0.48:

Cadaverous \Ca*dav"er*ous\, a. [L. cadaverosus.]
   1. Having the appearance or color of a dead human body; pale;
      ghastly; as, a cadaverous look.
      [1913 Webster]

   2. Of or pertaining to, or having the qualities of, a dead
      body. "The scent cadaverous." -- Ca*dav"er*ous*ly, adv.
      -- Ca*dav"er*ous*ness, n.
      [1913 Webster]