[], (Noun)

Definitions:
- Any of various plants identified with Greek ἄλυσσον and formerly reputed to cure hydrophobia. In early use: †any of several hoary plants of the family Lamiaceae (Labiatae), perhaps Marrubium alysson (obsolete). In later use: any of various plants belonging to the genus Alyssum, or to the genus Aurinia which was formerly included in it.

- A European weed, Asperugo procumbens (family Boraginaceae), with trailing bristly stems and small blue flowers in the leaf axils.


Phrases:

Origin:
late Middle English (in an earlier sense). From mad + wort, apparently after post-classical Latin alyssum