Bashaw \Ba*shaw"\, n. [See {Pasha}.] 1. A Turkish title of honor, now written {pasha}. See {Pasha}. 2. Fig.: A magnate or grandee. 3. (Zo["o]l.) A very large siluroid fish ({Leptops olivaris}) of the Mississippi valley; -- also called {goujon}, {mud cat}, and {yellow cat}.