Appetizer (noun)

1. A small dish or food item served before a meal to stimulate the appetite.
2. A food or drink that increases one's desire for more.

Origin:

Late 19th century: from french appétiser, from appétit 'appetite'.

Examples:

1. The appetizer was a plate of shrimp cocktail.
2. The appetizer platter was filled with a variety of small bites.
3. The appetizer was a great way to start the meal.
4. The appetizer was a combination of cheese and crackers.
5. The appetizer was a cold soup that was perfect for the hot summer day.