bullhead

• ⇰ A fresh-water fish of many species, of the genus <gen>Uranidea</gen>, esp. <spn>Uranidea gobio</spn> of Europe, and <spn>Uranidea Richardsoni</spn> of the United States; -- called also miller's thumb>.
• ⇰ The black-bellied plover (<spn>Squatarola helvetica</spn>); -- called also beetlehead>.
• ⇰ A stupid fellow; a lubber.
• ⇰ A small black water insect.