ma ‧ ra ‧ cas /məˈrækəz $ -ˈrɑː-, -ˈræ-/ BrE AmE noun [plural]
[ Date: 1600-1700 ; Language: Portuguese ; Origin: maraca (singular), from Tupi maraka ]
a pair of hollow balls with handles, filled with small objects, that you shake and use as a musical instrument