mammee n tropical American tree having wood like mahogany and sweet edible egg-shaped fruit; in some classifications placed in the genus Calocarpum n tropical American tree having edible fruit with a leathery rind n globular or ovoid tropical fruit with thick russet leathery rind and juicy yellow or reddish flesh n brown oval fruit flesh makes excellent sherbet Synonym(s) marmalade tree sapote Pouteria zapota Calocarpum zapota mammee apple mamey mammee tree Mammea americana marmalade plum