jumpers

WordReference Random House Learner's Dictionary of American English © 2026

jump•er¹ /ˈdʒʌmpɚ/   n. [countable]

1. a person or thing that jumps.
2. Sport a shot in basketball made while leaping in the air.
3. Electricity a short length of cable used to make an electrical connection or to bypass a circuit.

jump•er² /ˈdʒʌmpɚ/   n. [countable]

1. Clothing a sleeveless dress, or a skirt with a bib and straps or with an open-sided bodice, usually worn over a blouse.
2. Clothing a loose outer jacket worn esp. by workers and sailors.
3. British Terms, Clothing a pullover sweater.

WordReference Random House Unabridged Dictionary of American English © 2026

jump•er¹  ( jum′pər), n. 

1. a person or thing that jumps.
2. Sport [Basketball.] See jump shot. 
3. Sport a participant in a jumping event, as in track or skiing.
4. Sport [Manège.] a horse specially trained to jump obstacles.
5. a boring tool or device worked with a jumping motion.
6. Electricity Also called jump wire. a short length of conductor used to make a connection, usually temporary, between terminals of a circuit or to bypass a circuit.
7. Electricity, Automotive Also called jump′er ca′ble. See booster cable. 
8. a kind of sled.
9. Nautical, Naval Terms Also called jump′er stay′. a line preventing the end of a spar or boom from being lifted out of place.
10. any of various fishes that leap from the water, as the striped mullet or jumprock.

• jump + -er¹ 1605–15

jump•er²  ( jum′pər), n. 

1. Clothing a one-piece, sleeveless dress, or a skirt with straps and a complete or partial bodice, usually worn over a blouse by women and children.
2. Clothing a loose outer jacket worn esp. by workers and sailors.
3. British Terms, Clothing a pullover sweater.
4. Clothing jumpers, rompers.

• obsolete jump short coat (origin, originally uncertain) + -er¹ 1850–55