LOAF n.
Any thick lump, mass, or cake; especially, a large regularly shaped or molded mass, as of bread, sugar, or cake. Bacon. Loaf sugar, refined sugar that has been formed into a conical loaf in a mold.
MASSIVE a.
In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive. Massive rock (Geol.), a compact crystalline rock not distinctly schistone, as granite; also, with some authors, an eruptive rock.