Entry 1 sense Webster, 1913 Neem tree · Neem· tree · IPA 01 An Asiatic name for Melia Azadirachta, and Melia Azedarach. See Margosa. 1. An Asiatic name for Melia Azadirachta, and Melia Azedarach. See Margosa.(Bot.) See: Margosa