a baking dish of glass, pottery, etc., usually with a cover.
2.
any food, usually a mixture, cooked in such a dish.
3.
a small dish with a handle, used in chemical laboratories.
verb (used with object)
4.
to bake or cook (food) in a casserole.
Origin: 1700–10; < French: ladlelike pan, equivalent to casse small saucepan (< Old Provençalcassa large spoon, akin to Medieval Latincattia crucible; of disputed orig.) + -role diminutive suffix
a covered dish of earthenware, glass, etc, in which food is cooked and served
2.
any food cooked and served in such a dish: chicken casserole
—vb
3.
to cook or be cooked in a casserole
[C18: from French, from Old French casse ladle, pan for dripping, from Old Provençal cassa, from Late Latin cattia dipper, from Greek kuathion, diminutive of kuathos cup]
1706, from Fr. casserole "sauce pan," dim. of M.Fr. casse "pan," from Prov. cassa "melting pan," from M.L. cattia, possibly from Gk. kyathion, dim. of kyathos "bowl, cup." Originally the pan, since 1958 also the dishes cooked in it.