Dictionary 1. (n.) The bed, or stratum, of earth which lies immediately beneath the surface soil.2. (v. t.) To turn up the subsoil of. Thesaurus acres alluvion alluvium arable land clay clod crust dirt dry land dust earth freehold glebe grassland ground land landholdings lithosphere marginal land marl mold real estate real property region regolith sod soil subaerial deposit terra terra firma terrain territory the country topsoil woodland |