valerian

noun [U]

/vəˈlɪə.ri.ən/ specialized

Definition

› 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)Flowers and flowering plantsFlowers - general wordsSpecific medicines and drugsSpecific types of drug

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

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