washway
/ˈwæʃweɪ/Definitions
1. noun
A road or path that runs alongside a river, stream, or canal, and is often used for flooding or as a passage for water.
“The village was accessible only through the washway during the rainy season.”
2. noun
A shallow channel or passage through which water flows, especially in a river or lake.
“The boat navigated through the washway to reach the other side.”