Толковый словарь английского языка Oxford English Reference - hundredweight

n. (pl. same or -weights) 1 (in full long hundredweight) Brit. a unit of weight equal to 112 lb. avoirdupois (about 50.8 kg). 2 (in full metric hundredweight) a unit of weight equal to 50 kg. 3 (in full short hundredweight) US a unit of weight equal to 100 lb. (about 45.4 kg).