/ Dictionary / Index T Thoreau: Meaning and Definition of Find definitions for: Tho•reau Pronunciation: (thu-rō', thôr'ō, thōr'ō), [key] 1817–62, U.S. naturalist and author. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thoreau (Thesaurus) Thorazine Thorez Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language