[red soil] n (1889): any of a group of zonal soils that develop in a warm temperate moist climate under deciduous or mixed forests and that have thin organic and organic-mineral layers overlying a yellowish brown leached layer resting on an illuvial red horizon--called also red podzolic soil
RED SOIL
Meaning of RED SOIL in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012