/ Dictionary / Index R rotary dial: Meaning and Definition of Find definitions for: ro'tary di"al Pronunciation: [key] dial (def. 4). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rotary Club rotary engine Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language