Pronunciation: (gwä'vu), [key]
1. any of numerous tropical and subtropical American trees or shrubs belonging to the genus Psidium, of the myrtle family, esp. P. guajava, bearing large, yellow, round to pear-shaped fruit, and P. littorale, bearing smaller, yellowish to deep-red, oval fruit.
2. the fruit, used for making jam, jelly, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.