/ Thesaurus / F Synonyms of flathead catfish Find synonyms for: Noun1. flathead catfish, mudcat, goujon, shovelnose catfish, spoonbill catfish, Pylodictus olivaris, catfish, siluriform fishusage: large catfish of central United States having a flattened head and projecting jawWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language