—jumper /ˈdʒʌm.pər/ aep /-pɚ/
noun [C] (CLOTHES)
A2 UK (US sweater) a piece of clothing, made from wool or cotton and worn on the upper part of the body, that has sleeves and does not open at the front:
» a red woolly jumperSee picture: (UK) jumper/sweater/pullover 
Thesaurus+: ↑Jumpers, shirts and tee-shirts
F0 US a dress that does not cover the arms and is usually worn over another piece of clothing that does cover the arms
Thesaurus+: ↑Clothes which cover most of the body• • •
Extra Examples:» She had her jumper on inside out.» It's very cold so put a jumper on.» You've put your jumper on back to front.» I've only worn this jumper twice, and it's already begun to bobble.» I want a plain black jumper with no fancy trimmings.noun [C] (IN THE AIR)
► F0 a person or animal that jumpsThesaurus+: ↑Competitors and participants in sports and games