Saint John's wort

Saint John's wort (jnz)

n.

Any of various herbs or shrubs of the genus Hypericum, having yellow flowers and used in alternative medicine as a treatment for mild depression.

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Saint John's wort

[sānt jonz wort]

any of various species of the genus Hypericum. H. perforatum is a medicinal herb, which is used as a mild antidepressant, sedative, and anxiolytic; it is also used topically for inflammation of the skin, contusions, myalgia, and first-degree burns.