/ Dictionary / Index P private sector: Meaning and Definition of Find definitions for: pri'vate sec'tor Pronunciation: [key] the area of the nation's economy under private rather than governmental control. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. private secretary private treaty Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language