/ Dictionary / Index R root cellar: Meaning and Definition of Find definitions for: root' cel"lar Pronunciation: [key] a cellar, partially or wholly underground and usually covered with dirt, where root crops and other vegetables are stored. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rootcap root climber Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language