| n. | 1. | (Bot.) 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. |
| Noun | 1. | madwort - any garden plant of the genus Alyssum having clusters of small yellow or white flowersSynonyms: alyssum |
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