waterfall shower; pelting water stream
Refers to a bathing facility where hot spring water falls from a height onto the bather's back or shoulders, providing a massaging effect. Common in onsen and sento.
This hot spring has a waterfall shower, and it's said to be good for stiff shoulders.
The force of the waterfall shower was so strong that I was surprised at first.
Standard kanji spelling for this onsen facility term.
Mixed kana-kanji spelling; commonly seen in signage and casual writing.
Compound of 打たせ (causative stem of 打つ 'to strike') + 湯 'hot water'. Literally 'water that makes one strike', referring to the percussive effect of the falling water.