noun alys·sum \ə-ˈli-səm\

Definition of alyssum

  1. 1 :  any of a genus (Alyssum) of Eurasian herbs of the mustard family with small usually yellow racemose flowers —called also madwort

  2. 2 :  sweet alyssum

Origin and Etymology of alyssum

New Latin, from Greek alysson, plant believed to cure rabies, from neuter of alyssos curing rabies, from a- + lyssa rabies

First Known Use: 1548

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