1. a dish of food cooked slowly in liquid in a covered pot in the oven
2. a large deep dish with a lid used for cooking food slowly in the oven

1. to cook food slowly in liquid in a covered pot in the oven

Examples

• She made a chicken casserole for dinner.
• The beef casserole needs to cook for two hours.
• Put the casserole in the oven at 350 degrees.
• I bought a new ceramic casserole dish.
• You can casserole the vegetables with some broth.
• The recipe calls for casserole cooking at low heat.
• This casserole serves six people.
• Cover the casserole tightly with foil.