/ Dictionary / Index S St.-John's-wort: Meaning and Definition of Find definitions for: St.-John's-wort Pronunciation: (sānt"jonz'wûrt", -wôrt"), [key] — n. any of various plants or shrubs of the genus Hypericum, having yellow flowers and transparently dotted leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: st-john's-wort (Thesaurus) St. John's Eve St. Joseph Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language