, n.
1 a dish made with milk and eggs, usu. sweetened.
2 a sweet sauce made with milk and flavoured cornflour.
custard-apple a W. Indian fruit, Annona reticulata, with a custard-like pulp. custard-pie
1 a pie containing custard, commonly thrown in slapstick comedy.
2 (attrib.) denoting slapstick comedy. custard powder a preparation of cornflour etc. for making custard.
ME, earlier crusta(r)de f. AF f. OF crouste CRUST