/ Dictionary / Index P primary school: Meaning and Definition of Find definitions for: pri'mary school" Pronunciation: [key] a school usually covering the first three or four years of elementary school and sometimes kindergarten. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. primary root primary sex characteristic Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language