1
- a channel or tube for conveying something, in particular输送管, 导管, 尤指：
1.1
- (in a building or a machine) a tube or passageway for air, liquid, cables, etc（建筑物或机器中空气、液体及电缆等的）管道, 通道。
1.2
- (in the body) a vessel for conveying lymph or glandular secretions such as tears or bile（身体中输送淋巴或腺体分泌物的）管, 导管。
1.3
- (in a plant) a vessel for conveying water, sap, or air（植物中输送水分、汁液或空气的）管, 导管。
with obj.(一般作 be ducted)
- convey through a duct用管道输送：
a ventilation system that must be ducted through the wall
必须穿过墙壁的管道通风系统
as adj. ducted a ducted air system.管道通风系统。
词源
mid 17th cent. (in the sense course or direction)： from Latin ductus 'leading, aqueduct' from duct- 'led', from the verb ducere.