magnum

noun3

1. •
   A bottle containing 1.5 liters of fluid, double the volume of a standard wine bottle.

   • So please don’t ask me when / There may be wine and roses / And magnums of champagne — 2014
2. •
   A handgun that fires a cartridge of this calibre; chiefly a revolver, but rarely an autoloader firing an unusually powerful calibre.
3. •
   A powerful firearm cartridge, often derived from a shorter, less powerful cartridge calibre that uses the same bullet.

noun1

1. •
   A bottle of Magnum Tonic Wine, a fermented mead drink popular among Jamaicans and other Caribbean peoples for its intoxicating effects, vitamins and use as a purported sexual stimulant. The drink is highly associated with dancehall music and Jamaican pop culture.