from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A substratum.
from The Century Dictionary.
- noun A substratum; an underlying stratum; the stratum lying immediately beneath, or forming the lower portion of the one designated: not often used except figuratively.
from the GNU version of the Collaborative International Dictionary of English.
- noun The layer, or stratum, of earth on which the mold, or soil, rests; subsoil.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
layer, or stratum, of earthon which the soilrests; the subsoil.
from Wiktionary, Creative Commons Attribution/Share-Alike License
under- + stratum
Sorry, no example sentences found.