Definition of "casserole" in English

noun

1. (countable) A dish of glass or earthenware, with a lid, in which food is baked and sometimes served.

2. Food, such as a stew, cooked in such a dish.

   • a chicken casserole

3. (by extension) Any type of food that fills the high-walled dish or pan in which it was cooked.

verb

1. (transitive) To cook like, or as, a casserole; to stew.