n.[C]

1. 运河；河渠，水道；灌溉水渠
   Coal used to be sent here by canal.

   煤过去常经过运河送来。

2. （动植物体内的）管，道
3. 【天】（像水星表面上的）透过天文学望远镜看到的朦胧线条

vt.

1. 在……开凿运河（或水渠）

n.

1. an artificial waterway allowing the passage of boats inland or conveying water for irrigation.
2. a tubular duct in a plant or animal conveying food, liquid, or air.