The Collaborative International Dictionary
Bullhead \Bull"head`\, n.
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(Zo["o]l.)
A fresh-water fish of many species, of the genus Uranidea, esp. Uranidea gobio of Europe, and Uranidea 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.
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(Zo["o]l.)
The black-bellied plover ( Squatarola helvetica); -- called also beetlehead.
The golden plover.
A stupid fellow; a lubber. [Colloq.]
--Jonson.-
(Zo["o]l.) A small black water insect.
--E. Phillips.Bullhead whiting (Zo["o]l.), the kingfish of Florida ( Menticirrus alburnus).
Wiktionary
n. 1 A stupid fellow; a blockhead. 2 The black-bellied plover, or bullhead (''Squatarola helvetica'').
Usage examples of "beetlehead".
He'd hoped to land square on top of this two-hundred-pound beetlehead, but that's not the way the wheel spun.
If Ed Whitbred and his beetleheaded assistant had won the contract, they might well be there the next day.