| n. | 1. | (Zool.) A large American pike (Esox masquinongy formerly Esox nobilior) found in the Great Lakes, and other Northern lakes, and in the St. Lawrence River. It is valued as a food fish. |
| Noun | 1. | muskellunge - flesh of very large North American pike; a game fish |
| 2. | muskellunge - large (60 to 80 pounds) sport fish of North America Synonyms: Esox masquinongy |