/ Dictionary / Index T treehopper: Meaning and Definition of Find definitions for: tree•hop•per Pronunciation: (trē'hop"ur), [key] — n. any of numerous homopterous jumping insects of the family Membracidae, that have an enlarged prothorax and feed on the juices of plants, often injuring the plants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: treehopper (Thesaurus) tree heath tree house Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language