a yellowish-brown, freshwater catfish, Noturus flavus, of the Mississippi River valley and Great Lakes, having poisonous pectoral spines.
Origin of stonecat
1870–75, Americanism; stone + cat1
Also called beadeye.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for stonecat
Historical Examples of stonecat
The abundance of the stonecat was greatest at the lower Marais des Cygnes station in 1957 and at the upper Neosho station in 1959.