Loam

Definition:

(n.) A kind of soil; an earthy mixture of clay and sand, with organic matter to which its fertility is chiefly due.
(n.) A mixture of sand, clay, and other materials, used in making molds for large castings, often without a pattern.
(v. i.) To cover, smear, or fill with loam.

Compare loam with other words:

loam vs. puddling

loam vs. pattern

casting vs. loam

loam vs. parget

batter vs. loam