also: ウォッシュレット
Washlet; electronic bidet seat
Trademark of TOTO, but widely used generically for any toilet seat with integrated warm-water washing and drying functions. Often referred to as 温水洗浄便座 in technical contexts.
See also: 温水洗浄便座
Most hotels in Japan have a Washlet.
The warm water of the Washlet feels nice.