Definition of neem
: a large tropical Asian tree (Azadirachta indica) of the mahogany family having a bitter bark used as a tonic and leaves and seeds that have insecticidal and antiseptic properties and yield a medicinal aromatic oil
Origin and Etymology of neem
Hindi & Urdu nīm, from Sanskrit nimba
First Known Use: 1813
Learn More about neem
Seen and Heard
What made you want to look up neem? Please tell us where you read or heard it (including the quote, if possible).