/ Dictionary / Index T tree surgery: Meaning and Definition of Find definitions for: tree' sur"gery Pronunciation: [key] the repair of damaged trees, as by the removal of diseased parts, filling of cavities, and prevention of further decay, and by strengthening branches with braces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tree squirrel tree swallow Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language