1. A British unit of weight equivalent to 112 pounds; SYN. cwt, long hundredweight.
2. A United States unit of weight equivalent to 100 pounds; SYN. cwt, short hundredweight, centner, cental, quintal.
3. A unit of weight equal to 100 kilograms; SYN. metric hundredweight, doppelzentner, centner.
Unit (symbol cwt) of mass, equal to 100 lb (45.36 kg) in the us. In the uk and Canada, it equals 112 lb (50.8 kg), and is sometimes called the long hundredweight.