Definition of poison oak in English:

poison oak

Line breaks: poi¦son oak

noun

A North American climbing shrub related to poison ivy and having similar properties.
  • Rhus toxicodendron, family Anacardiaceae
More example sentences
  • She says that for centuries, plantain has been used to provide immediate relief from mosquito bites, hornet stings and the painful itching of poison ivy or poison oak.
  • If a child touches poison ivy, poison oak or a sumac plant, causing an itchy rash with pin-size clear blisters, give him a thorough bath to remove the oily resin that caused the reaction.
  • The late Alabama folk herbalist Tommie Bass used plantain for sunburn, stings, poison ivy and poison oak.

Definition of poison oak in:

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Pronunciation: ˌəʊlɪˈadʒɪnəs
adjective
rich in, covered with, or producing oil; oily