Definition of prickly-ash in US English:



  • 1A spiny North American shrub or tree with prickly branches and bark that can be used medicinally.

    Genus Zanthoxylum, family Rutaceae: the northern prickly-ash (Z. americanum) (also called toothache tree), and the southern prickly-ash (see Hercules-club)

    • ‘Tropical plants here include two species of wild coffee, pigeon berry or rouge-plant, prickly ash, marlberry, and colicwood.’
    • ‘Also fairly common are bluejack oak, netleaf hackberry, honey mesquite, and prickly ash.’
    • ‘Aggressive planting of hawthorn, pyracantha, creeping juniper, holly, Chinese jujube, roses, blackthorn or prickly ash will help deter criminals.’
    • ‘The tropical prickly ash has a temperate equivalent called the toothache tree.’
    1. 1.1 A medicinal preparation of the bark of the prickly-ash.
      • ‘Northern prickly ash, Zanthoxylum americanum, is a traditional phytomedicine used by North American First Nations Peoples as a topical agent for the treatment of skin infections including those caused by pathogenic fungi.’
      • ‘Other general herbs to help support digestion and circulation are prickly ash which supports peripheral circulation, particularly a foggy brain, and rosemary similarly.’
      • ‘The historic use of prickly ash includes it as a medicine for intermittent claudication, Raynaud's disease, peripheral vascular insufficiency and muscle cramps.’