any of various plants belonging to the genus Alyssum, of the mustard family, having clusters of small yellow or white flowers.
any of several related plants of the genus Aurinia, as A. saxatilis, a widely cultivated species with yellow flowers.
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How to use alyssum in a sentence
My border seeds, the sweet alyssum and lobelia, I had sense enough not to plant, and I sowed none of the perennials.The Idyl of Twin Fires | Walter Prichard Eaton
Some of the annual flowers may also be used for strong color effects, as Lobelia Erinus and sweet alyssum.The Practical Garden-Book | C. E. Hunn
alyssum, white, dwarf for borders; six inches; blooms all summer if not allowed to go to seed.A Woman's Hardy Garden | Helena Rutherfurd Ely
Sweet-pease, sweet-williams, sweet-mignonette, and sweet-alyssum.A Little Garden Calendar for Boys and Girls | Albert Bigelow Paine
And yours, alyssum, the one we call Pepper-grass, because he is so fiery?'A Little Garden Calendar for Boys and Girls | Albert Bigelow Paine
British Dictionary definitions for alyssum
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012