also: アピタイザー · アペタイザ
noun
A small dish served before a meal to stimulate the appetite. Common in restaurant and party contexts.
レストランでアペタイザーに生ハムを頼んだ。
I ordered prosciutto as an appetizer at the restaurant.
パーティーではアペタイザーが数種類出された。
Several kinds of appetizers were served at the party.