Definition: arishth

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Source: WordNet (r) 1.7 

arishth
     n : large semi-evergreen tree of East India; trunk exudes a
         tenacious gum; bitter bark used as a tonic; seeds yield
         an aromatic oil; sometimes placed in genus Melia [syn: neem,
          neem tree, nim tree, margosa, Azadirachta indica,
          Melia Azadirachta]