Answer: hundredweight

AnswerCrossword Clue
hundredweightA unit of weight equal to one twentieth of a ton, in particular
hundredweight(in the US) Equal to 100 lb avoirdupois (about 45.4 kg)
hundredweight(in the UK) Equal to 112 lb avoirdupois (about 50.8 kg)
hundredweight(in the metric system) Equal to 50 kg
hundredweight1/20 of a ton, or 112lb avoirdupois