appetizer

n. small portion of food which is served before the main meal to stimulate the appetite; hors d'oeuvre, light food served as an appetizer before a meal (also appetiser)

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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Noun
1. food or drink to stimulate the appetite (usually served before a meal or as the first course)
(synonym) appetiser, starter
(hypernym) course
(hyponym) antipasto

n. hors, part of the term "hors d'oeuvre" (French)

n. appetizer, small portion of food which is served before the main meal to stimulate the appetite