restaurateuserestaurateuse means A female restaurateur.EtymologyBorrowed from French restaurateuse or formed in English by application of French rules (see French -eur, -euse), as it is more common in English than in French, where the more common feminine form of restaurateur is restauratrice.nounA female restaurateur.“Jonathan Hazard remembered, ‘Lee takes being a restaurateuse very seriously. Do you know she won’t marry me because she might have to give it up if she did?’”