WordNet (r) 3.0 (2006):

acerola
    n 1: tropical American shrub bearing edible acid red fruit
         resembling cherries [syn: barbados cherry, acerola,
         Surinam cherry, West Indian cherry, Malpighia glabra]
    2: acid red or yellow cherry-like fruit of a tropical American
       shrub very rich in vitamin C [syn: acerola, barbados
       cherry, surinam cherry, West Indian cherry]