/ Dictionary / Index K ketamine: Meaning and Definition of Find definitions for: ke•ta•mine Pronunciation: (kē'tu-mēn", -min), [key] — n. Pharm. a synthetic nonbarbiturate general anesthetic, CHClNO, used to induce anesthesia, alone or in combination, in surgical or diagnostic procedures of short duration; extensively used in veterinary medicine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ketamine (Thesaurus) keta ketch Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language