genus Zanthoxylum ge·nus·zant·hoxylum uncommon noun 1. deciduous or evergreen trees or shrubs: prickly ash SynonymsZanthoxylumgenus Zanthoxylum Related words Broader terms rosid dicot genus Parts Rutaceae Part of prickly ashtoothache treeHercules'-club WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
