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WordReference Random House Unabridged Dictionary of American English © 2024hel•le•bore (hel′ə bôr′, -bōr′),USA pronunciation n. - Plant Biologyany of several plants of the genus Helleborus, of the buttercup family, having basal leaves and clusters of flowers, esp. H. niger, the Christmas rose.
- Plant Biologyany of various plants of the genus Veratrum. Cf. false hellebore.
- Plant Biology, Drugsany of several poisonous or medicinal substances obtained from these plants.
- Greek
- Latin elleborus
- Greek helléboros; replacing earlier ellebor(e), Middle English el(l)bre, etc.
- 1555–65
Collins Concise English Dictionary © HarperCollins Publishers:: hellebore /ˈhɛlɪˌbɔː/ n - any plant of the Eurasian ranunculaceous genus Helleborus, esp H. niger (black hellebore), typically having showy flowers and poisonous parts
See also Christmas rose - any of various liliaceous plants of the N temperate genus Veratrum, esp V. album, that have greenish flowers and yield alkaloids used in the treatment of heart disease
Etymology: 14th Century: from Greek helleboros, of uncertain origin |