/ Dictionary / Index W whistling swan: Meaning and Definition of Find definitions for: whis'tling swan' Pronunciation: [key] the small North American subspecies, Cygnus columbianus columbianus, of the tundra swan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. whistling duck whit Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language