a small stream or channel 小溪;小河;细流 The tears made runnels down her make-up. 泪水顺着她的妆容流下。 the dark alleyways and runnels of the city 城市黑暗的小巷和隧道
Word Originlate 16th cent. (denoting a brook or rill): variant of dialect rindle, influenced by the verb run.