Definition of “valerian” - English Dictionary

british dictionary

“valerian” in British English

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valeriannoun [ U ]

uk /vəˈlɪə.ri.ən/ us /vəˈlɪr.i.ən/ specialized

a plant with small white or pink flowers and a root that is used in medicines, especially as a sedative (= drug to calm you or make you sleep)

(Definition of “valerian” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)