n.[C]

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

   煤過去常經過運河送來。

2. （動植物體內的）管，道
3. 【天】（像水星表面上的）透過天文學望遠鏡看到的朦朧線條

vt.

1. 在……開鑿運河（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.