Jumper n. : One who, or that which, jumps.

Jumper n. : A long drilling tool used by masons and quarrymen.

Jumper n. : A rude kind of sleigh; -- usually, a simple box on runners which are in one piece with the poles that form the thills.

Jumper n. : The larva of the cheese fly. See Cheese fly, under Cheese.

Jumper n. : A name applied in the 18th century to certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.

Jumper n. : spring to impel the star wheel, also a pawl to lock fast a wheel, in a repeating timepiece.

Jumper n. : A loose upper garment

Jumper n. : A sort of blouse worn by workmen over their ordinary dress to protect it.

Jumper n. : A fur garment worn in Arctic journeys.

Example:
What kind of wire is used with Jumper cables?

Taxonomy
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Defination from the web:
Directed by Doug Liman. With Hayden Christensen, Jamie Bell, Rachel Bilson. A genetic anomaly allows a young man to teleport himself anywhere. He discovers this gift has existed for centuries and finds himself in a war that has been raging for ...