Meaning

noun a manservant (usually the head servant of a household) who has charge of wines and the table

noun English novelist who described a fictitious land he called Erewhon (1835-1902)

noun English poet (1612-1680)

originFrom Middle English butler, butlere, boteler, botelere, from Old French buttiler, butiller, boteillier (“officer in charge of wine”), from Medieval Latin botellārius, equivalent to bottle + -er. Piecewise doublet of bottler.

Etymology from Wiktionary, CC BY-SA 3.0