/ Dictionary / Index P psychiatrist: Meaning and Definition of Find definitions for: psy•chi•a•trist Pronunciation: (si-kī'u-trist, sī-), [key] — n. a physician who practices psychiatry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: psychiatrist (Thesaurus) Psyche knot psychiatry Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language