grampus

noun4

1. •
   Risso's dolphin (Grampus griseus), with a blunt nose.
2. •
   A hellbender salamander, Cryptobranchus alleganiensis.
3. •
   A giant whip scorpion (Mastigoproctus giganteus)
4. •
   (no longer used) A killer whale (Orcinus orca).

   • Some time after this we saw some very large fish, which I afterwards found were called grampusses. — 1789