Collins Concise English Dictionary © HarperCollins Publishers::

jumper /ˈdʒʌmpə/ n
  1. chiefly Brit a knitted or crocheted garment covering the upper part of the body
  2. Also called: pinafore dress US Canadian a sleeveless dress worn over a blouse or sweater
Etymology: 19th Century: from obsolete jump man's loose jacket, variant of jupe, from Old French, from Arabic jubbah long cloth coat
jumper /ˈdʒʌmpə/ n
  1. a boring tool that works by repeated impact, such as a steel bit in a hammer drill used in boring rock
  2. Also called: jumper cable, jumper lead a short length of wire used to make a connection, usually temporarily, between terminals or to bypass a component
  3. a person or animal that jumps

'jumper' also found in these entries:
In the English description:

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