The "restaurant" doesn't have a "full form" in the way that an acronym does. It originates from the French word "restaurer," meaning "to restore" or "to provide food for," and refers to an establishment where meals are prepared and served to customers. The public dining room that ultimately came to be known as the restaurant originated in France, and the French have continued to make major contributions to the restaurant's development.
"Amazing food and super fast service. Definitely my go-to place now!"