/ Dictionary / Index A apportion: Meaning and Definition of Find definitions for: ap•por•tion Pronunciation: (u-pôr'shun, u-pōr'-), [key] — v.t. to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: apportion (Thesaurus) Appomattox apportionment Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language