from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A low-growing Eurasian plant (Asperugo procumbens) having rough stems and small blue flowers.
- n. See alyssum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of the alyssums.
from the GNU version of the Collaborative International Dictionary of English
- n. A genus of cruciferous plants (Alyssum) with white or yellow flowers and rounded pods. Alyssum maritimum is the commonly cultivated sweet alyssum, a fragrant white-flowered annual.
from The Century Dictionary and Cyclopedia
- n. A plant of the genus Alyssum.
- n. [As if a contraction of madderwort, having been used as a substitute for madder.] A plant of the borage family, Asperugo proeumbens, whose root was used like madder: commonly called German madwort.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any garden plant of the genus Alyssum having clusters of small yellow or white flowers
From its supposed ability to cure rabies.(American Heritage® Dictionary of the English Language, Fourth Edition)
mad + wort (Wiktionary)