Dictionary.com
definitions

custard

[kuhs-terd]
See more synonyms for custard on Thesaurus.com
noun
  1. a dessert made of eggs, sugar, and milk, either baked, boiled, or frozen.

Origin of custard

1400–50; late Middle English, metathetic variant of earlier crustade kind of pie. See crust, -ade1; compare Provençal croustado
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for custard

junket, tapioca, custard, dessert, mousse
British Dictionary definitions for custard

custard

noun
  1. a baked sweetened mixture of eggs and milk
  2. a sauce made of milk and sugar and thickened with cornflour

Word Origin for custard

C15: alteration of Middle English crustade kind of pie, probably from Old Provençal croustado, from crosta crust
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for custard
n.

mid-14c., "meat or fruit pie," crustade, from Middle French croustade (Modern French coutarde), from Old Provençal croustado "fruit tart," literally "something covered with crust," from crosta "crust," from Latin crusta (see crust (n.)). Modern meaning is c.1600. Spelling change perhaps by influence of mustard.

Online Etymology Dictionary, © 2010 Douglas Harper