noun
water pipe; water conduit
General term for pipes that carry water, such as plumbing or irrigation pipes.
古い水管が破裂して、道路が水浸しになった。
An old water pipe burst and flooded the road.
noun
Zoological term for the tubular organ used by mollusks to draw in or expel water.
二枚貝の水管は、水中のプランクトンを取り込むのに使われる。
The siphon of bivalves is used to take in plankton from the water.