Hercules' club Meaning, Definition & Usage

Definitions
  1. . (Bot.) (a) An ornamental tree of the West Indies (Zanthoxylum Clava-Herculis), of the same genus with the prickly ash. (b) A variety of the common gourd (Lagenaria vulgaris). Its fruit sometimes exceeds five feet in length. (c) The Angelica tree. See under Angelica.

Webster 1913