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English definition of “jumper”

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jumper

noun [C]  /ˈdʒʌm·pər/ us  
a dress without sleeves that is usually worn over a shirt Br A jumper is a sweater .
a person who can push himself or herself into the air using their legs and feet: To dunk a basketball when you’re just six feet tall, you have to be a great jumper.
(Definition of jumper from the Cambridge Academic Content Dictionary © Cambridge University Press)
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