What is the meaning of Butler?

A manservant having charge of wines and liquors.

The chief male servant of a household who has charge of other employees, receives guests, directs the serving of meals, and performs various personal services.

A valet, a male personal attendant.

To buttle, to dispense wines or liquors; to take the place of a butler.

a butler (chief male servant of a household; valet; booze manservant)

a butler (chief male servant, personal attendant)

Source: wiktionary.org