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St John's wort

Pronunciation: /dʒɒnz/

Definition of St John's wort

noun

  • a herbaceous plant or shrub with distinctive yellow five-petalled flowers and paired oval leaves.
    • Genus Hypericum, family Guttiferae: many species

Origin:

so named because some species come into flower near the feast day of St John the Baptist (24 June)

St John's wort in other Oxford dictionaries

Definition of St John's wort in the US English dictionary

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