1Plumbing a short ventilation pipe connected to a trap or valve in a drainage system.
2Aeronautics a pipe out of which compressed air is blown in order to control the attitude of a vertical take-off aircraft.
Late 19th century.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。