Bullhead

1.

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.

2.

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

3.

A marine fish of the genus Cottus; the sculpin.

4.

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

5.

The golden plover.

6.

A stupid fellow; a lubber.

7.

A small black water insect.