BULL'-HEAD, noun [bull and head.] A genus of fishes, the Cottus, with a head broader than the body, whence the name. This fish is called by some the Miller's thumb.
1. A stupid fellow; a lubber.
2. A small black water vermin.
BULL'-TROUT, noun [bull and trout.] A large species of trout, called also sea-trout, thicker than the common sort, and weighing about three pounds. Its back has a bluish green gloss, and there are several black spots on the sides.
BULL'-WEED, noun Knap weed.
BULL'-WORT, noun Bishops weed.