Hors d'œuvre, (IPA: French but in American English normally ; French plural: hors d'œuvre, without an extra s; English plural often hors d'œuvres), also known as appetizer(s) are the food served before or outside of the main courses of a meal (œuvre, literally “work”).Hors d'œuvre are sometimes called amuse-bouche, or even, vulgarly, amuse-gueule.
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