Definition of poison tree in English:

poison tree

noun

  • 1Any of various trees with irritant or toxic sap or other poisonous attributes: specifically (a) either of two trees of the family Anacardiaceae, Metopium toxiferum of Florida and the West Indies, and the poison sumac, Toxicodendron vernix, of eastern North America; also called poisonwood; (b) the upas tree of Java, as identified with Antiaris toxicaria (family Moraceae); (c) any of several Australian trees, especially (more fully "river poison-tree") the milky mangrove, Excoecaria agallocha.

  • 2Figurative.

Origin

Late 17th century; earliest use found in Speed's Theatre of Empire of Great-Britain. From poison + tree.

Pronunciation

poison tree

/ˈpɔɪzn ˌtriː/