/ Dictionary / Index W wallaba: Meaning and Definition of Find definitions for: wal•la•ba Pronunciation: (wol'u-bu), [key] — n. any of several trees belonging to the genus Eperua, of the legume family, native to the Guianas and northern Brazil. the hard, heavy wood of any of these trees, used in the construction of buildings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. walla wallaby Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language