What does trout mean in cooking?

trout means: Salmon fish are found mostly in freshwater. Rainbow trout is California’s most well-known species. The smallest size of trout is a one-pound fish. They are valued for their delicate taste and moderately fat flesh. (in Cooking Dictionary)

What else does trout mean?

• This delicately flavoured fish is part of the same family as whitefish and salmon. Some are freshwater while others are marine sea trout. This very popular rainbow trout has been brought from California to several other countries. (in Cooking Dictionary)
• One of many salmonid foods and game fishes from the genera Oncorhynchus, Salmo, And Salvelinus, A streamlined and speckled species that lives in freshwater streams and lakes. This group also includes the chars and salmons. (in Merlin Dictionary)
• One of many similar, but not related fishes such as the troutperch. (in Merlin Dictionary)
• ( Old trout () A woman who is an elderly lady. (in Merlin Dictionary)