1) French word used in English 2) Owner 3) Proprietor 4) Restauranter 1) Restauranter 2) Wine and dine 
A restaurateur is a person who opens and runs restaurants professionally. Although over time the term has come to describe any person who owns a restaurant, traditionally it refers to a highly skilled professional who is proficient in all aspects of the restaurant business. ==Etymology== The French word restaurateur comes from the Late Latin term ...
• (n.) The keeper of an eathing house or a restaurant.
Re`stau`ra`teur' noun [ French] The keeper of an eathing house or a restaurant. 
[n] - the proprietor of a restaurant
restauranter noun the proprietor of a restaurant