Unicorn root Meaning, Definition & Usage

  1. noun any of several perennials of the genus Aletris having grasslike leaves and bitter roots reputed to cure colic
    colic root; star grass; crow corn; colicroot.

WordNet


Definitions
  1. (Bot.), a name of two North American plants, the yellow-flowered colicroot (Aletris farinosa) and the blazing star (Chamælirium luteum). Both are used in medicine.

Webster 1913