Stonebrash \Stone"brash`\, n.
A subsoil made up of small stones or finely-broken rock;
brash.

Subsoil \Sub"soil`\, n.
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

Subsoil \Sub"soil`\, v. t.
To turn up the subsoil of.

Subsoil \Sub"soil`\, n.
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

Undersoil \Un"der*soil`\, n.
The soil beneath the surface; understratum; subsoil.

Understratum \Un"der*stra`tum\, n.; pl. L. {Understrata}, E.
{Understratums}.
The layer, or stratum, of earth on which the mold, or soil,
rests; subsoil.

Understratum \Un"der*stra`tum\, n.; pl. L. {Understrata}, E.
{Understratums}.
The layer, or stratum, of earth on which the mold, or soil,
rests; subsoil.

Understratum \Un"der*stra`tum\, n.; pl. L. {Understrata}, E.
{Understratums}.
The layer, or stratum, of earth on which the mold, or soil,
rests; subsoil.