1. ink; something written or painted with ink
E.g.: 墨汁 (ink), 水墨 (ink wash painting)
2. the Sumida River
E.g.: 墨堤 (the banks of the Sumida River)
3. abbreviation for Mexico
E.g.: 米墨 (the United States and Mexico)
4. Mozi; the school of Mohism
E.g.: 墨家 (Mohism), 墨守 (strict adherence)
5. dirty; greedy
E.g.: 墨吏 (corrupt official)
