jumper 1
/jum"peuhr/ , n.
1. a person or thing that jumps.
2. Basketball. See jump shot .
3. Sports. a participant in a jumping event, as in track or skiing.
4. Manège. a horse specially trained to jump obstacles.
5. a boring tool or device worked with a jumping motion.
6. Also called jump wire . Elect. a short length of conductor used to make a connection, usually temporary, between terminals of a circuit or to bypass a circuit.
7. Also called jumper cable . See booster cable .
8. a kind of sled.
9. Also called jumper stay . Naut. 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.
[ 1605-15; JUMP + -ER 1 ]
jumper 2
/jum"peuhr/ , n.
1. 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. a loose outer jacket worn esp. by workers and sailors.
3. Brit. a pullover sweater.
4. jumpers , rompers.
[ 1850-55; obs. jump short coat (orig. uncert.) + -ER 1 ]