( n. )
That which is laid or spread under; that which underlies something, as a layer of earth lying under another; specifically (Agric.), the subsoil.
( n. )
That which is laid or spread under; that which underlies something, as a layer of earth lying under another; specifically (Agric.), the subsoil.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012