diaper sprayer

noun1

1. •
   (US, Canada) An adjustable hose sprayer, usually fitted to a toilet, that is used for washing off solids from a cloth diaper; a bidet sprayer used for cleaning soiled cloth diapers.

   • Products are available to diminish the ick-factor, too. A diaper sprayer, for example, attaches to the commode and works like a vegetable sprayer. So you can flush away the mess. — 2007