Aqueduct and Water line

Aqueduct noun - An open man-made passageway for water.

Water line and aqueduct are semantically related in conduit topic. In some cases you can use "Water line" instead a noun "Aqueduct", when it comes to topics like water pipe, water main.

Water line noun - A line marking the level reached by a body of water.

Aqueduct and water line are semantically related in conduit topic. Sometimes you can use "Aqueduct" instead a noun phrase "Water line", if it concerns topics such as water pipe, water main.