*pipe¹/paɪp; paɪp/ n [C] 1 a tube that liquid or gas flows through 管子,管道: a water pipe 水管 2 a thing used for smoking tobacco, consisting of a small tube with a container shaped like a bowl at one end 烟斗 3 a musical instrument like a tube that you blow through 笛子 4 pipe dream an idea, plan etc that will probably never happen 空想,幻想: Money and fame — isn't that all a pipe dream? 金钱与名声 — 这些不都是幻想吗?