Definitions of salmon:

• noun:   any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn
• noun:   flesh of any of various marine or freshwater fish of the family Salmonidae
• noun:   a tributary of the Snake River in Idaho
• name:  A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2482)