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Meaning of ailanthus

ai•lan•thus

Pronunciation: (ā-lan'thus), [key]
— pl. -thus•es.
  1. any tree belonging to the genus Ailanthus, of the quassia family, esp. A. altissima, widely grown in cities. Cf. tree of heaven.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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