The American Heritage® Dictionary of the English Language, 4th Edition
n. A tall, usually evergreen East Indian tree (Azadirachta indica) widely cultivated in tropical Asia for its timber, resin, bitter bark, and aromatic seed oil, which is used medicinally and as an insecticide.
n. a large, mostly evergreen tree from India, Azadirachta indica, whose seeds yield the insecticide azadirachtin
The Century Dictionary and Cyclopedia
n. An East Indian tree, the margosa.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
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
Word Usage
"One researcher has called the neem scene an "uncharted jungle" of miscellaneous assertions, disconnected details, and limitless possibilities."