bullhead

[ bool-hed ]
/ ˈbʊlˌhɛd /

noun

any of several North American, freshwater catfishes of the genus Ictalurus, having a rounded or truncate caudal fin.
any of several other fishes, as the freshwater sculpins of the genus Cottus, especially those species having a hornlike spine on each side of the head.
an obstinate or stupid person.

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Origin of bullhead

An Americanism dating back to 1665–75; bull1 + head
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for bullhead

British Dictionary definitions for bullhead

bullhead
/ (ˈbʊlˌhɛd) /

noun

any of various small northern mainly marine scorpaenoid fishes of the family Cottidae that have a large head covered with bony plates and spines
any freshwater North American catfish of the genus Ameiurus (or Ictalurus), having a large head bearing several long barbels
a scorpion fish, Scorpaena guttata, of North American Pacific coastal waters
informal a stupidly stubborn or unintelligent person
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012