sockeye salmon n 1: fatty red flesh of salmon of Pacific coast and rivers [syn: {red salmon}, {sockeye}, {sockeye salmon}] 2: small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning [syn: {sockeye}, {sockeye salmon}, {red salmon}, {blueback salmon}, {Oncorhynchus nerka}]