Definition of butlers:
(n) :
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.
(n) :
A valet, a male personal attendant.
(n) :
A manservant having charge of wines and liquors.
(v) :
To buttle, to dispense wines or liquors; to take the place of a butler.
(n) :
An English and Irish surname from Middle English [in turn originating as an occupation], for someone who was a butler or wine servant.
(n) :
A surname.