Source : WordNet®

Hercules'-club
     n 1: densely spiny ornamental of southeastern United States and
          West Indies [syn: {Hercules'-clubs}, {Hercules-club}, {Zanthoxylum
          clava-herculis}]
     2: small deciduous clump-forming tree or shrub of eastern
        United States [syn: {American angelica tree}, {devil's
        walking stick}, {Aralia spinosa}]