nasturtium Meaning, Definition & Usage

  1. noun any tropical American plant of the genus Tropaeolum having pungent juice and long-spurred yellow to red flowers
  2. noun aquatic herbs
    genus Nasturtium.
  3. noun flowers and seeds and leaves all used as flavorings

WordNet

Nas*tur"tium noun
Etymology
L. nasturtium, for nasitortium, fr. nasus nose + torquere, tortum, to twist, torture, in allusion to the causing one to make a wry face by its pungent taste. See Nose of the face, and Torture.
Definitions
  1. (Bot.) A genus of cruciferous plants, having white or yellowish flowers, including several species of cress. They are found chiefly in wet or damp grounds, and have a pungent biting taste.
  2. (Bot.) Any plant of the genus Tropæolum, geraniaceous herbs, having mostly climbing stems, peltate leaves, and spurred flowers, and including the common Indian cress (Tropæolum majus), the canary-bird flower (T. peregrinum), and about thirty more species, all natives of South America. The whole plant has a warm pungent flavor, and the fleshy fruits are used as a substitute for capers, while the leaves and flowers are sometimes used in salads.

Webster 1913