\Bull"head`\, n.
1. (Zo["o]l.)
   (a) A fresh-water fish of many species, of the genus
       {Uranidea}, esp. {U. gobio} of Europe, and {U.
       Richardsoni} of the United States; -- called also
       {miller's thumb}.
   (b) In America, several species of {Amiurus}; -- called
       also {catfish}, {horned pout}, and {bullpout}.
   (c) A marine fish of the genus {Cottus}; the sculpin.
2. (Zo["o]l.)
   (a) The black-bellied plover ({Squatarola helvetica}); --
       called also {beetlehead}.
   (b) The golden plover.
3. A stupid fellow; a lubber. [Colloq.] --Jonson.
4. (Zo["o]l.) A small black water insect. --E. Phillips.
{Bullhead whiting} (Zo["o]l.), the kingfish of Florida
   ({Menticirrus alburnus}).