上うわ掛がけ水すい車しゃ

Meanings

1

noun

overshot water wheel

A water wheel where water is fed from above, typically used in traditional mills and irrigation.

car

下した掛がけ水すい車しゃ
An undershot water wheel where water flows under the wheel, in contrast to 上掛け水車 where water is fed from above.
胸むな掛がけ水すい車しゃ
A breastshot water wheel where water hits the wheel at about axle height, intermediate between overshot and undershot.

Compound of 上掛け (うわがけ, 'overhead') + 水車 (すいしゃ, 'water wheel').