BRICK n.
ay tempered with water, sand, etc., molded into a regular form, usually rectangular, and sun-dried, or burnt in a kiln, or in a heap or stack called a clamp. The Assyrians appear to have made much less use of bricks baked in the furnace than the Babylonians. Layard.
IN- n.
An inseparable prefix, or particle, meaning not, non-, un- as, inactive, incapable, inapt. In- regularly becomes il- before l, ir- before r, and im- before a labial.