corncob pipe
noun [ C ] US uk/ˌkɔːn.kɒb ˈpaɪp/ us/ˌkɔːrn.kɑːb ˈpaɪp/
玉米芯烟斗
a pipe (= an object with a container at one end used for smoking tobacco) in which the container is made from a corncob (= the part of the maize plant on which the grain grows)