<p><strong>Noun:</strong></p><ul><li>any of several North American, freshwater catfishes of the genus Ictalurus, having a rounded or truncate caudal fin</li><li>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</li><li>heads</li><li>an obstinate or stupid person</li></ul>