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prickly ash

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noun
Also called Northern prickly ash, toothache tree. a citrus shrub or small tree, Zanthoxylum americanum, having aromatic leaves and usually prickly branches.
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Origin of prickly ash

An Americanism dating back to 1700–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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British Dictionary definitions for prickly ash

prickly ash

noun
a North American rutaceous shrub or small tree, Zanthoxylum americanum, having prickly branches, feathery aromatic leaves, and bark used as a remedy for toothacheAlso called: toothache tree
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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