'Neem tree' definitions:

Definition of 'neem tree'

From: WordNet
noun
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, nim tree, margosa, arishth, Azadirachta indica, Melia Azadirachta]

Definition of 'Neem tree'

From: GCIDE
  • Neem tree \Neem" tree`\ [Hind. n[imac]m.] (Bot.) An Asiatic name for Melia Azadirachta, and {Melia Azedarach}. See Margosa. [1913 Webster]