Definition of upas

Definition of upas
  1. upas Noun A tree "Antiaris toxicaria" of the breadfruit family, common in the forests of Java and the neighboring islands, with poisonous secretions.
  2. upas Noun A virulent poison used in Java and the adjacent islands for poisoning arrows derived from the tree.
  3. upas Noun A poison prepared from a climbing plant "Strychnos tieute"
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