/ Dictionary / Index P Preliminary Scholastic Aptitude Test: Meaning and Definition of Find definitions for: Prelim'inary Scholas'tic Ap'titude Test" Pronunciation: [key] a standardized multiple-choice aptitude test administered by the College Entrance Examination Board, and usually taken by eleventh graders, to help secondary-school students prepare for the Scholastic Aptitude Test. Abbr.: PSAT Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. preliminary prelimit Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language