1. Important food fish of cold deep lakes of North America
   "Local fishermen depend on cisco catches during winter";
   - lake herring, Coregonus artedi
    
2. Cold-water fish caught in Lake Superior and northward
   "Cisco is often used in fish fries around the Great Lakes";
   - lake herring

Derived forms: ciscoes

Type of: whitefish

Part of: Coregonus, genus Coregonus

Encyclopedia: Cisco, NE