a toy gun that shoots a stream of liquid.
Origin of water pistol
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for water pistol
Historical Examples of water pistol
I told Barrington also about the cherries and the torn clothes, and what a good appetite he had; and about the water-pistol.
She had a water-pistol which, when properly charged, would propel a stream of water an unbelievable distance.Everyday Adventures
a toy pistol that squirts a stream of water or other liquidAlso called (US): water gun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012