It literally translates to "of wood" and is used to describe something made of wood, like:
* Una mesa de madera: a wooden table
* Una casa de madera: a wooden house
* Un juguete de madera: a wooden toy
It literally translates to "of wood" and is used to describe something made of wood, like:
* Una mesa de madera: a wooden table
* Una casa de madera: a wooden house
* Un juguete de madera: a wooden toy