- (North American English, informal)
a cockroach (= a large brown insect with wings, that lives in houses, especially where there is dirt) 蟑螂 - (plural roach)
a small European freshwater fish 拟鲤（见于欧洲的淡水小鱼） - (slang)
the end part of a cigarette containing marijuana 大麻卷烟的烟蒂
Word Originsense 2 Middle English: from Old French roche, of unknown ultimate origin.