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 medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet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