/ Dictionary / Index W whirlybird: Meaning and Definition of Find definitions for: whirl•y•bird Pronunciation: (hwûr'lē-bûrd", wûr'-), [key] — n. Informal. helicopter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: whirlybird (Thesaurus) whirly whirr Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language