Definition of alyssum noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈælɪsəm//
; NAmE NAmE//ˈælɪsəm//
; BrE BrE//əˈlɪsəm//
; NAmE NAmE//əˈlɪsəm//
[countable, uncountable]
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one of several types of plant. Some types, with small white, blue, or pink flowers, are common in gardens. Word Originmid 16th cent. (used loosely to denote various medicinal herbs): modern Latin, from Latin alysson, from Greek alusson, from a- ‘without’ + lussa ‘rabies’ (referring to early herbalist use).
See the Oxford Advanced American Dictionary entry: alyssum