Causeway and Weir

Causeway noun - A road that is raised above water or marshland or sand.

Weir and causeway are semantically related in dike topic. In some cases you can use "Weir" instead a noun "Causeway", when it comes to topics like dyke.

Weir noun - A low dam built across a stream to raise its level or divert its flow.

Causeway and weir are semantically related in dike topic. Sometimes you can use "Causeway" instead a noun "Weir", if it concerns topics such as dyke.