Found 2 items, similar to subsoil.
English → English (WordNet) Definition: subsoil subsoil n : the layer of soil between the topsoil and bedrock [syn: undersoil]
English → English (gcide) Definition: Subsoil Subsoil \Sub"soil`\, n. The bed, or stratum, of earth which lies immediately beneath the surface soil. [1913 Webster] Subsoil plow, a plow having a share and standard but no moldboard. It follows in the furrow made by an ordinary plow, and loosens the soil to an additional depth without bringing it to the surface. --Knight. [1913 Webster] Subsoil \Sub"soil`\, v. t. To turn up the subsoil of. [1913 Webster]