/ Dictionary / Index A avoirdupois: Meaning and Definition of Find definitions for: av•oir•du•pois Pronunciation: (av"ur-du-poiz'), [key] — n. See bodily weight: He carries around a lot of excess avoirdupois. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: avoirdupois (Thesaurus) avoir. avoirdupois weight Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language