Noun

1. A broad highway designed for high-speed traffic
2. Highly valued northern freshwater fish with lean flesh
3. A sharp point (as on the end of a spear)
4. Medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet
5. Any of several elongate long-snouted freshwater game and food fishes widely distributed in cooler parts of the northern hemisphere