/ Thesaurus / A Synonyms of avoirdupois weight Find synonyms for: Noun1. avoirdupois, avoirdupois weight, system of weights, weightusage: a system of weights based on the 16-ounce pound (or 7,000 grains)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language