a product of the seeds of a tropical tree, Azadirachta indica, of the mahogany family, that disrupts reproduction in insects, used as an insecticide.
Also called neem tree, nim tree, margosa. the tree itself.

Origin of neem

1805–15; < Hindi nīm < Sanskrit nimba Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for neem

Historical Examples of neem

  • Me neem is Costigan, madam, a poor gentleman of Oireland, binding to circumstances and forced to follow a disagrayable profession.

    The Virginians

    William Makepeace Thackeray

  • Ye'll hae an affaictionate regaird for that neem, I'm thenking, Mess Rawse?

  • Suddenly Mark recalled his glimpse of the butler in close conversation under the neem tree with Zynool's double.

  • The neem tree seeds afford a very clear or bitter oil, used for burning.

  • While greeting him I heard a great clamour of scolding babblers (Crateropus canorus) emanating from a neem tree hard by.

    Jungle Folk

    Douglas Dewar

British Dictionary definitions for neem



a large tree of India, Azadirachta indica, all parts of which are useful to man: 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 for neem

C19: from Hindi nīm, from Sanskrit nimba
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012