Source : Webster's Revised Unabridged Dictionary (1913)

Mammee \Mam*mee"\, n. [Haytian mamey.] (Bot.)
   A fruit tree of tropical America, belonging to the genus
   {Mammea} ({M. Americana}); also, its fruit. The latter is
   large, covered with a thick, tough ring, and contains a
   bright yellow pulp of a pleasant taste and fragrant scent. It
   is often called {mammee apple}.

Source : WordNet®

mammee apple
     n 1: tropical American tree having edible fruit with a leathery
          rind [syn: {mammee}, {mamey}, {mammee tree}, {Mammea
          americana}]
     2: globular or ovoid tropical fruit with thick russet leathery
        rind and juicy yellow or reddish flesh [syn: {mamey}, {mammee}]