1 entry 1 source
Understratum
Open directlyWebster's 1828 Dictionary · 1828
Part of speech: noun (n.)
The layer, or stratum, of earth on which the mold, or soil, rests; subsoil.
1 entry 1 source
Part of speech: noun (n.)
The layer, or stratum, of earth on which the mold, or soil, rests; subsoil.