/ Dictionary / Index P prorate: Meaning and Definition of Find definitions for: pro•rate Pronunciation: (prō-rāt', prō'rāt"), [key] — v., -rat•ed, -rat•ing. —v.i. to make an arrangement on a basis of proportional distribution. —v.t. to divide, distribute, or calculate proportionately. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prorate (Thesaurus) pro rata pro re nata* Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language