bullhead

• POS: Noun
• HYPHEN: bull=head

CIDE DICTIONARY

bullhead, n. 

•  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.  [1913 Webster]
•  The black-bellied plover (Squatarola helvetica); -- called also beetlehead.  [1913 Webster]
•  A stupid fellow; a lubber.  Jonson.  [1913 Webster]
•  A small black water insect.  E. Phillips.  [1913 Webster]

Bullhead whiting (Zoöl.), the kingfish of Florida (Menticirrus alburnus).

OXFORD DICTIONARY

bullhead, n. any of various marine fishes with large flattened heads.