/ Dictionary / Index W Wadi Halfa: Meaning and Definition of Find definitions for: Wa•di Hal•fa Pronunciation: (wä'dē häl'fu), [key] a former town in the N Sudan, on the Nile: now under the waters of Lake Nasser, created by the Aswan High Dam in S Egypt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wadi wading bird 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