IPA: //ˈkruːstədeɪ//
KK: /ˈkrou̇-ˌstäd/
A type of shell made from pastry, rice, or bread that is shaped like a bowl and used to hold other foods.
The chef served the soup in a delicate croustade made of crispy pastry.
Croustade originates from Old French 'croustade' (meaning a type of pastry or crust). The word refers specifically to a dish made with a crust, often filled with various ingredients.
Think of a 'crust' in a pastry — that's what a croustade is, a dish made with a crust.