av‧oir‧du‧pois /ˌævwɑːdjuːˈpwɑː, ˌævədəˈpɔɪz $ ˌævərdəˈpɔɪz/
noun [uncountable][
Date: 1300-1400;
Language: Old French;
Origin: avoir de pois 'goods of weight']
the system of weighing things that uses the standard measures of the
ounce,
pound, and
ton ⇒
metric system [TahlilGaran] Dictionary of Contemporary English ▲