/ Dictionary / Index R rotary-till: Meaning and Definition of Find definitions for: ro•ta•ry-till Pronunciation: (rō'tu-rē-til"), [key] — v.t., v.i. rototill. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rotary shutter rotary tiller Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language