/ Dictionary / Index W wave front: Meaning and Definition of Find definitions for: wave' front" Pronunciation: [key] — Physics. Physics. a surface, real or imaginary, that is the locus of all adjacent points at which the phase of oscillation is the same. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: wavefront (Thesaurus) wave-form wave function Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language