Source : WordNet®

neem
     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
         tree}, {nim tree}, {margosa}, {arishth}, {Azadirachta
         indica}, {Melia Azadirachta}]