Source : WordNet®

nim tree
     n : large semi-evergreen tree of the East Indies; trunk exudes a
         tenacious gum; bitter bark used as a tonic; seeds yield
         an aromatic oil; sometimes placed in genus Melia [syn: {neem},
          {neem tree}, {margosa}, {arishth}, {Azadirachta indica},
          {Melia Azadirachta}]