also: だかん
noun
flexible hose; coiled tube
Refers to a flexible, often coiled, tube or hose used for conveying liquids or gases. Common in industrial and plumbing contexts.
工場では蛇管を使って冷却水を流している。
In the factory, they use a flexible hose to circulate cooling water.
蛇管を伸ばして庭の隅まで水をまく。
I extend the coiled hose to water the far corner of the garden.
Compound of 蛇 (snake) and 管 (pipe/tube), likely from the snake-like coiled appearance of such hoses.