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.