/ Dictionary / Index P presort: Meaning and Definition of Find definitions for: pre•sort Pronunciation: (prē-sôrt'), [key] — v.t. to sort (letters, packages, etc.) by zip code or class before collection or delivery to a post office. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pre-Socratic Prespa Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language