zanthoxylum

noun zan·thox·y·lum

Definition of zanthoxylum

  1. 1a capitalized :  a genus of widely distributed shrubs or trees (family Rutaceae) having odd-pinnate leaves, small greenish flowers with 2 to 5 pistils, and 2-valved fleshy capsules b plural -s :  any plant of the genus Zanthoxylum

  2. 2 less commonly xanthoxylum plural -s :  the dried bark of prickly ash or hercules'-club formerly used as a diaphoretic and stimulant

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Origin and Etymology of zanthoxylum

New Latin, irregular from xanth- + -xylum


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