co ‧ coa /ˈkəʊkəʊ $ ˈkoʊkoʊ/ BrE AmE noun [uncountable]
[ Date: 1700-1800 ; Origin: cacao ]
1 . ( also cocoa powder ) a brown powder made from cocoa beans, used to make chocolate and to give a chocolate taste to foods
2 . a sweet hot drink made with cocoa powder, sugar, and milk or water:
a cup of cocoa