Defn: 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.

SUBSOIL
Sub"soil`, v. t.

Defn: To turn up the subsoil of.

SUBSOLARY
Sub*so"la*ry, a.

Defn: Being under the sun; hence, terrestrial; earthly; mundane. [R.]

SUBSPECIES
Sub*spe"cies, n.

Defn: A group somewhat lessdistinct than speciesusually are, but based on characters more important than those which characterize ordinary varieties; often, a geographical variety or race.

SUBSPHENOIDAL
Sub`sphe*noid"al, a. (Anat.)

Defn: Situated under, or on the ventral side of, the body of the sphenoid bone.

SUBSPHERICAL
Sub*spher"ic*al, a.