Urucá is the name of a very beautiful waterfall in Brazil. It is located in Mount Roraima National Park. It is the name of a tourist site in Brazil, called Cachoeira Urucá (Cachoeira means waterfall). It is also a type of indigenous musical instrument made with shells, which is also called maracas or rattles. They may also be hung around the neck or placed on the wrists or ankles. They are made with seeds, fruit bones, teeth or shells.