/ Dictionary / Index P public sector: Meaning and Definition of Find definitions for: pub'lic sec'tor Pronunciation: [key] the area of the nation's affairs under governmental rather than private control. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. public school public servant 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