/ Dictionary / Index T three-thorned acacia: Meaning and Definition of Find definitions for: three'-thorned aca'cia Pronunciation: (thrē'thôrnd"). [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. three-suiter three-toed sloth Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language