Toxicodendron

noun
Tox·​i·​co·​den·​dron | \ ˌtäk-si-kō-ˈden-ˌdrän How to pronounce Toxicodendron (audio) \

Medical Definition of Toxicodendron

: a genus of shrubs and trees of the cashew family (Anacardiaceae) that includes poison ivy and related plants when they are split off from the genus Rhus

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