[nә'stә:ʃәm; (US) næ-]
n.
旱金莲属植物, 旱金莲花

Nasturtium \Nas*tur"tium\, n. [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}.]
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 {Trop[ae]olum}, geraniaceous
herbs, having mostly climbing stems, peltate leaves, and
spurred flowers, and including the common Indian cress
({Trop[ae]olum majus}), the canary-bird flower
({Trop[ae]olum 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.