n. The Mexican-Spanish name of the sun-dried brick in common use in countries of small rainfall and of inferior civilization.n. Clay or soil from which sun-dried bricks are made, or which is suitable for making them. In the quicksilver-mines of the Pacific coast, a brick made of the finer ores mixed with clay, for more convenient handling in the furnace.Built or made of adobes or sundried bricks. Suitable for making sundried bricks: as, an adobe soil.