/ Dictionary / Index W wave trap: Meaning and Definition of Find definitions for: wave' trap" Pronunciation: [key] — Radio. Radio. a resonant-circuit filter between the antenna and the receiver for the suppression of unwanted frequencies. Cf.(def. 5). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wave train wavey Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language