subsoil

1. n. The bed, or stratum, of earth which lies immediately beneath the surface soil. Source: opted

2. v. t. To turn up the subsoil of. Source: opted

3. n. the layer of soil between the topsoil and bedrock Source: wordnet

4. The bed, or stratum, of earth which lies immediately beneath the surface soil. 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. To turn up the subsoil of. Source: webster

5. The bed, or stratum, of earth which lies immediately beneaththe surface soil. Subsoil plow, a plow having a share and standardbut no moldboard. It follows in the furrow made by an ordinary plow,and loosens the soil to an additional depth without bringing it tothe surface. Knight. Source: adambom

6. n:100 n. the layer of soil between the topsoil and bedrock Source: ecdict

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