wa·ter·way /ˈwɔtɚ/
航路,水路,運河
Wa·ter·way n. Naut. Heavy plank or timber extending fore and aft the whole length of a vessel's deck at the line of junction with the sides, forming a channel to the scuppers, which are cut through it. In iron vessels the waterway is variously constructed.
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waterway
n 1: a navigable body of water
2: a conduit through which water flows [syn: watercourse]