Meaning of miracle fruit

mir'acle fruit"

Pronunciation: [key]
  1. the berrylike fruit of either of two African shrubs, Synsepalum dulcificum or Thaumatococcus daniellii, that, when chewed, causes sour substances to taste sweet.
  2. Also calledthe similar fruit of an African shrub, Dioscoreophyllum cumminsii. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.