/ Dictionary / Index A arbitrament: Meaning and Definition of Find definitions for: ar•bit•ra•ment Pronunciation: (är-bi'tru-munt), [key] — n. the act of arbitrating; arbitration. the decision or sentence pronounced by an arbiter. the power of absolute and final decision. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arbitrament (Thesaurus) arbitral arbitrary Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language