Definition from Wiktionary, the free dictionary
washlet (plural washlets)
- (colloquial) A spray-toilet, bidet seat, or any bathroom product meant to cleanse the user.
2015 November 18, Steven Kurutz, “The Cult of the Toto Toilet”, in New York Times:
- Toto doesn’t sell its washlets in big-box stores like Home Depot, preferring the showroom experience instead.