/ Dictionary / Index T tetracaine: Meaning and Definition of Find definitions for: tet•ra•caine Pronunciation: (te'tru-kān"), [key] — n. Pharm. a white, water-soluble, crystalline solid, CHNO, used chiefly as an anesthetic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tetracaine (Thesaurus) tetrabromofluorescein tetracene Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language