Bullhead

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.

In America, several species of Amiurus; -- called also catfish, horned pout, and bullpout.

A marine fish of the genus Cottus; the sculpin.

The black-bellied plover (Squatarola helvetica); -- called also beetlehead.

The golden plover.

A stupid fellow; a lubber.

A small black water insect.

any of several common freshwater catfishes of the United States

freshwater sculpin with a large flattened bony-plated head with hornlike spines