Dictionary
mir'acle fruit"
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 called
serendipity berry. the similar fruit of an African shrub,
Dioscoreophyllum cumminsii. Also called
mir'acle ber"ry, miraculous fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.