Also found in: Thesaurus, Encyclopedia, Wikipedia.
1. Any of various chiefly Mediterranean weeds or ornamentals of the genus Alyssum in the mustard family, having racemes of white or yellow flowers. Also called madwort.
2. Any of various similar plants in the mustard family, especially sweet alyssum.
[C16: from New Latin, from Greek alusson, from alussos (adj) curing rabies, referring to the ancient belief in the plant's healing properties]
1. any of various plants of the mustard family, having gray leaves and clusters of small yellow or white flowers.
[1545–55; < New Latin; Latin alysson < Greek, neuter of ályssos curing (canine) madness, derivative of a- a-6lýssa madness]
Switch to new thesaurus
|Noun||1.||alyssum - any garden plant of the genus Alyssum having clusters of small yellow or white flowers|
|2.||Alyssum - a genus of the family Cruciferae|
dilleniid dicot genus - genus of more or less advanced dicotyledonous trees and shrubs and herbs
Brassicaceae, Cruciferae, family Brassicaceae, family Cruciferae, mustard family - a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives