Definition of hundredweight noun from the Oxford Advanced American Dictionary

 

hundredweight

 noun
noun
NAmE//ˈhʌndrədˌweɪt//
 
(pl. hundredweight)(abbreviation cwt.)
 
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a unit for measuring weight equal to 100 pounds. There are 20 hundredweight in a ton.
See the Oxford Advanced Learner's Dictionary entry: hundredweight