jumper

US /ˈdʒʌm.pɚ/
UK /ˈdʒʌm.pɚ/
"jumper" picture
1.

a piece of clothing, typically made of wool or cotton, that is worn on the upper part of the body and has sleeves, pulled on over the head

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It's cold outside, so put on a warm jumper.
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She knitted a beautiful blue jumper for her son.
:
sweaterpullover
2.

a person or animal that jumps

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The horse is a good jumper and cleared the fence easily.
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He's a skilled long jumper.
3.

a short connecting wire with clips at each end, used for making temporary connections to electrical circuits

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We used a jumper to bypass the faulty switch.
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The technician connected the two points with a small jumper.
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jumper cable