jump ‧ er S3 /ˈdʒʌmpə $ -ər/ BrE AmE noun [countable]
[ Sense 1-2: Date: 1600-1700 ; Origin: Probably from jump 'loose coat' (17-19 centuries) , probably from jupe 'coat' (13-19 centuries) , from Old French , from Arabic jubbah ]
[ Sense 3: Date: 1500-1600 ; Origin: ↑ jump 1 ]
1 . British English a piece of clothing made of wool that covers the upper part of your body and arms SYN sweater , pullover
2 . American English a dress without ↑ sleeve s usually worn over a shirt SYN pinafore British English
3 . a person or animal that jumps