Main Entry: ¹av·oir·du·pois

Pronunciation: \ˌa-vər-də-ˈpȯiz, ˈa-vər-də-ˌ\

Function: noun

Etymology: Middle English avoir de pois goods sold by weight, from Anglo-French, literally, goods of weight

Date: 15th century

1 : avoirdupois weight
2 : weight, heaviness; especially : personal weight