Main Entry: Saint–John's–wort

Pronunciation: \-ˌwərt, -ˌwȯrt\

Function: noun

Etymology: St. John the Baptist

Date: 15th century

1 : any of a large genus (Hypericum of the family Guttiferae, the Saint-John's-wort family) of cosmopolitan herbs and shrubs with showy pentamerous yellow flowers
2 : the dried aerial parts of a Saint-John's-wort (Hypericum perforatum) that are held to relieve depression and are used in herbal remedies and dietary supplements

[Saint-John's-wort illustration]