Engineering is a synonym for support, base. Madero, traviesa, sill, sleeper, strut, post. Building block upon which rests the weight of the work. A ceiling bracket. Naughty or madero from which it is possible to hang heavy items.
Long and thick Madero used usually to form roofs of buildings
VIGA:BARRA OF IRON, WOOD OR CONCRETE LONG AND THICK THAT IT SERVES AS SUPPORT OR SUPPORT.