A pasty building material that sets to form a hard, infusible solid. Most mortars are mixtures of lime, plaster of Paris, or cement with sand and water. It is used to fill the joints of brick and stone masonry and for other purposes. (en)
Material de construcción tipo pasta compuesto de arena y caliza, o cemento mezclado con agua, que se endurece gradualmente al ser expuesto al aire. (es)