Sweet flag Meaning, Definition & Usage

  1. noun perennial marsh plant having swordlike leaves and aromatic roots
    calamus; sweet calamus; Acorus calamus; flagroot; myrtle flag.

WordNet

Definitions
  1. . See Calamus, n., 2.
Definitions
  1. (Bot.), an endogenous plant (Acorus Calamus) having long flaglike leaves and a rootstock of a pungent aromatic taste. It is found in wet places in Europe and America. See Calamus, 2.

Webster 1913