Topic >> Food: Breakfast, Lunch and Dinner casserolecas‧se‧role /ˈkæsəˌroʊl/ noun [countable, uncountable] Word Origin food that is cooked slowly in liquid in a covered dish in the oven [Origin: 1700–1800 French “cooking pan,” from casse “big spoon, pan,” from Greek kyathos “big spoon”]