trout

2. Any of various freshwater or anadromous food and game fishes of the salmon family.

The lake is stocked with rainbow trout every spring.

3. A foolish or contemptible person (informal, archaic).

Don't be such an old trout about it.

4. The flesh of a trout used as food.

We had grilled trout with lemon for dinner.

5. A trout-colored shade, often a silvery or yellowish brown.

The walls were painted a soft trout hue.