waterway

Noun

A body of water, such as a river, channel or canal, that is navigable. / A conduit or watercourse, such as on the deck of a ship, to drain water.

Japanese Meaning

航行可能な川、運河、またはその他の運航が可能な水域。 / 船のデッキなどに設けられた水を排出するための水路や導水路。

The cargo ships turned slowly as they entered the narrow waterway that connected the port to the open sea.

貨物船はゆっくりと旋回し、港と外洋を結ぶ狭い航行可能な水路に入っていった。

Sense（1）

A body of water, such as a river, channel or canal, that is navigable.

Sense（2）

A conduit or watercourse, such as on the deck of a ship, to drain water.

waterways

（ plural ）