the chief male servant of a large household, who is in charge of the other servants, directs the serving of meals, and is a personal attendant to the householder
Motkin, the butler, who … had grown prematurely grey in Lady Susan's service, added to his other excellent qualities an intelligent interest in matters connected with the Turf — Saki
[Middle English buteler from Old French bouteillier bottle bearer, from bouteille: see bottle1]