Solonchak (Russian and Ukrainian: Солончак) is a Reference Soil Group of the World Reference Base for Soil Resources (WRB). It is a pale or grey soil type found in arid to subhumid poorly-drained conditions. The word is Russian for "salt marsh", which is in turn from the Russian sol (соль) "salt". The Ukrainian folk word "солончак", which in turn from Ukrainian "salty" (солоний) + "чак"—suffix; designation of an object that has the property. A village with the name Solonchaky exists in Ukraine.