The subdiscipline of soil science that deals with the systematic categorization of soils based on distinguishing characteristics developed during soil genesis as well as criteria that dictate choices in land use and soil management.

The scientific study of the formation, classification, mapping, and the physical, chemical and biological properties of soil.

(euphemistic) To lose control of one's bowels and accidentally defecate on oneself.

A soil variety typically found in arid climates, usually with little leaching and minimal humus content. Referred to as an "aridisol" in the nomenclature of the United States Department of Agriculture's Natural Resources Conservation Service.

(geology) A soil containing clay minerals that absorb water and swell, causing bumps across terrain.

(archaic, euphemistic) Human faeces.

plural of soil fertility

(horticulture) The ability of a soil to sustain plant growth.

(archaic, idiomatic) To run into the mire or water; hence, to take refuge or shelter.

(geomorphology) downhill creep