/ Dictionary / Index P psychosurgery: Meaning and Definition of Find definitions for: psy•cho•sur•ger•y Pronunciation: (sī"kō-sûr'ju-rē), [key] — n. treatment of mental disorders by means of brain surgery. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: psychosurgery (Thesaurus) psychosomatic psychosynthesis 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