I. ˌavə(r)dəˈpȯiz, ˈ ̷ ̷ ̷ ̷ ̷ ̷ˌ ̷ ̷ noun
Etymology: alteration (influenced by French du of the) of earlier averdepois, avoir de pois, from Middle English avoir de pois, aver de peis goods sold by weight, from Old French, literally, goods of weight, from aver property, goods + de of (from Latin de from) + pois, peis weight — more at aiver , de- , poise
1. : avoirdupois weight
2. : weight , heaviness ; specifically : personal weight : fatness , fat
the best advertisements for avoirdupois since Santa Claus — Coulton Waugh
II. adjective
: expressed in avoirdupois weight
avoirdupois units
ounce avoirdupois
— abbr. av, avdp, avoir