noun
: an interzonal group of soils developed under swamp-forest types of vegetation, having mucky or peaty surface soil underlain by gray mineral soil, and appearing mostly in humid or subhumid climates
noun
: an interzonal group of soils developed under swamp-forest types of vegetation, having mucky or peaty surface soil underlain by gray mineral soil, and appearing mostly in humid or subhumid climates
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012