/ Dictionary / Index W wave train: Meaning and Definition of Find definitions for: wave' train" Pronunciation: [key] — Physics. Physics. a series of successive waves spaced at regular intervals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wave theory wave trap Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language