A soft earth, which is plastic, or may be molded with the
hands, consisting of hydrous silicate of aluminium. It is the result of
the wearing down and decomposition, in part, of rocks containing
aluminous minerals, as granite. Lime, magnesia, oxide of iron, and
other ingredients, are often present as impurities.

Earth in general, as representing the elementary particles of
the human body; hence, the human body as formed from such particles.

To cover or manure with clay.