Sommelier
Overview
 
A sommelier (ˈsɒməljeɪ, sʌməlˈjeɪ, sɔməlje), or wine steward, is a trained and knowledgeable wine
Wine
Wine is an alcoholic beverage, made of fermented fruit juice, usually from grapes. The natural chemical balance of grapes lets them ferment without the addition of sugars, acids, enzymes, or other nutrients. Grape wine is produced by fermenting crushed grapes using various types of yeast. Yeast...

 professional, commonly working in fine restaurant
Restaurant
A restaurant is an establishment which prepares and serves food and drink to customers in return for money. Meals are generally served and eaten on premises, but many restaurants also offer take-out and food delivery services...

s, who specializes in all aspects of wine service as well as wine and food matching
Wine and food matching
Wine and food matching is the process of pairing food dishes with wine to enhance the dining experience. In many cultures, wine has had a long history of being a staple at the dinner table and in some ways both the winemaking and culinary traditions of a region will have evolved together over the...

. The role is more specialized and informed than that of a wine waiter.
The principal work of a sommelier is in the areas of wine procurement, wine storage, wine cellar
Wine cellar
A wine cellar is a storage room for wine in bottles or barrels, or more rarely in carboys, amphorae or plastic containers. In an active wine cellar, important factors such as temperature and humidity are maintained by a climate control system. In contrast, passive wine cellars are not...

 rotation, and expert service to wine customers.

A sommelier may also be responsible for the development of wine lists, and for the delivery of wine service and training for the other restaurant staff.
 
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