a large tree of India, Azadirachta indica, all parts of which are useful to humans: the leaves act as a natural pesticide, the fruit and seeds yield a medicinal oil, the bark is used to make a tonic, and the trunk exudes a gum
Word origin
C19: from Hindi nīm, from Sanskrit nimba
neem in American English
(nim)
noun
a tall, tropical evergreen tree (Azadirachta indica) of the mahogany family, cultivated, esp. in Asia, for its wood and aromatic oil (neem oil)