flathead catfish flat·head·cat·fish uncommon noun 1. large catfish of central United States having a flattened head and projecting jaw Synonymsflathead catfishmudcatgoujonshovelnose catfishspoonbill catfishPylodictus olivaris Related words Broader terms catfish Parts Pylodictus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
