Amiral (a'l') is a particular garnish, such as poached sole, fillet of sole, stuffed turbot, or braised salmon. It contains some of the following ingredients: fried oyster and mussels crayfish tails or whole crayfish mushroom caps truffle slices.
The dish can also be garnished with a Nantua sauce. The term also describes a type of consommé.Larrouse- gastronomy encyclopedia
References