1. a person or animal that jumps
2. a sleeveless dress worn over a shirt or blouse
Usage: American English
3. a knitted pullover sweater
Usage: British English

Examples

• The high jumper cleared the bar easily.
• She wore a blue jumper over her white shirt to school.
• He put on a warm wool jumper before going outside.
• The mechanic used jumper cables to start the dead battery.
• The horse was an excellent jumper in the competition.
• My grandmother knitted me a red jumper for Christmas.
• The electrician connected the circuit with a small jumper wire.