- [uncountable, countable]
a hot dish of cooked meat and potatoes that are cut into small pieces and mixed together （回鍋）肉丁土豆 corned beef hash 鹹牛肉燒馬鈴薯
- [uncountable] (informal)
hashish (= a drug made from the resin of the hemp plant, which gives a feeling of being relaxed when it is smoked or put in the mouth and chewed. Use of the drug is illegal in many countries.) 哈希什，大麻麻醉劑（吸食或咀嚼時有放鬆感。很多國家的法律禁止服用該毒品） - (also hash sign)(both British English)(North American English pound sign)(also hashtag British and North American English)[countable]
the symbol ( # ), especially one on a phone or computer keyboard （尤指電話上的）# 號 Press the hash key. 按下哈希鍵。
Word Originnoun sense 1 and make a hash of something. late 16th cent. (as a verb): from French hacher, from hache ‘axe’, from medieval Latin hapia, of Germanic origin. noun sense 3 1980s: probably from hatch ‘shade an area with parallel lines’, altered by folk etymology.