Tongue Wash is a

wash WASH (or Watsan, WaSH) is an acronym that stands for "water, sanitation and hygiene". It is used widely by non-governmental organizations and aid agencies in developing countries. The purposes of providing access to WASH services include achievi ...

in Nye County, Nevada, in the United States. Tongue Wash was likely so named because it is shaped like a

tongue The tongue is a muscular organ in the mouth of a typical tetrapod. It manipulates food for mastication and swallowing as part of the digestive process, and is the primary organ of taste. The tongue's upper surface (dorsum) is covered by taste ...

References

Rivers of Nye County, Nevada Washes of Nevada {{NyeCountyNV-geo-stub