'St John's wort' definitions:

Definition of 'St John's wort'

noun

Any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evil

Words containing 'St John's wort'

common st john's wort,
creeping st john's wort,
great st john's wort,
shrubby st john's wort,
st john's wort family,
marsh st-john's wort,
St John's-wort,
Marsh St John's-wort