also: きどい
noun
wooden water pipe; wooden flume
A pipe or trough made of wood, used historically for conveying water.
江戸時代には木樋で水を引いていた。
In the Edo period, water was drawn through wooden pipes.
古い町並みに木樋の跡が残っている。
Remains of wooden water pipes can be seen in the old townscape.
Compound of 木 (wood) and 樋 (pipe/trough). The reading もくひ uses the on'yomi of 木, while きどい uses the kun'yomi.