ETYM New Lat., from Greek, name of a plant, perh. from a priv. + lyssa raging madness.
(Irregular plural: alyssa).
Any garden plant of the genus Alyssum having clusters of small yellow or white flowers; SYN. madwort.
A genus of the family Cruciferae; Also called: genus Alyssum.
1. Any of a genus (Alyssum) of Eurasian herbs of the mustard family with small usually yellow racemose flowers — called also madwort.
2. Sweet alyssum.