any of various fishes (order Salmoniformes); esp., any of a family (Osmeridae) of small, silvery, salmonoid food fishes found in northern seas or lakes: most run up rivers to spawn
transitive verb
to melt or fuse (ore, etc.) so as to separate impurities from pure metal
Any of various small silvery marine and freshwater food fishes of the family Osmeridae, found in cold waters of the Northern Hemisphere, especially Osmerus mordax of North America and O. eperlanus of Europe.