\Loam\, n. [AS. l[=a]m; akin to D. leem, G. lehm, and E.
lime. See 4th {Lime}.]
1. A kind of soil; an earthy mixture of clay and sand, with
   organic matter to which its fertility is chiefly due.
         We wash a wall of loam; we labor in vain. --Hooker.
2. (Founding) A mixture of sand, clay, and other materials,
   used in making molds for large castings, often without a
   pattern.
{Loam mold} (Founding), a mold made with loam. See {Loam},
   n., 2.
{Loam molding}, the process or business of making loam molds.
{Loam plate}, an iron plate upon which a section of a loam
   mold rests, or from which it is suspended.
{Loam work}, loam molding or loam molds.

\Loam\, v. i. [imp. & p. p. {Loamed}; p. pr. & vb. n.
{Loaming}.]
To cover, smear, or fill with loam.