mass noun
1- an alcoholic spirit distilled from sugar-cane residues or molasses朗姆酒（由甘蔗残渣或糖蜜制成的蒸馏酒）。
1.1
- N. Amer. intoxicating liquor〈北美〉酒。
词源
mid 17th cent.: perhaps an abbreviation of obsolete rumbullion, in the same sense.