waterphone

English

Etymology

From water +‎ -phone.

Noun

waterphone (plural waterphones)

1. An acoustic percussion instrument consisting of a resonator bowl or pan with a cylindrical neck, surrounded by rods of different lengths and diameters. Water may be added to the bowl to modify the sound.
   • 2009 June 23, Allan Kozinn, “Classical Tunes Come Down to the Streets for Impromptu Concerts”, in New York Times‎^[1]:

     The listing for Loop 2.4.3 had promised that a waterphone would be featured.

2. An instrument for detecting leaks in pipes by their sound, consisting of a rod attached to an earpiece.

   Synonym: aquaphone