me·thu·se·lah \mə̇ˈth(y)üz(ə)lə also -üs(-\noun (-s) Usage: usually capitalized Etymology: after Methuselah, Biblical patriarch represented as having lived 969 years (Gen 5:27) 1.: a person of great age < one of the other Methuselahs, reminded … of his own aches and miseries — Mary McCarthy > 2.: an oversize wine bottle holding about six and a half quarts