jumper

Someone or something that jumps, e.g. a participant in a jumping event in track or skiing.

A person who attempts suicide by jumping from a great height.

A short length of electrical conductor, to make a temporary connection. Also jump wire.

(electricity) A removable connecting pin on an electronic circuit board.

A long drilling tool used by masons and quarry workers, consisting of an iron bar with a chisel-edged steel tip at one or both ends, operated by striking it against the rock, turning it slightly with each blow.

(US) A crude kind of sleigh, usually a simple box on runners which are in one piece with the poles that form the thills.

(arachnology, informal) A jumping spider.

The larva of the cheese fly.

(historical, 18th century) One of certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.

(horology) A spring to impel the star wheel, or a pawl to lock fast a wheel, in a repeating timepiece.

(basketball) A shot in which the player releases the ball at the highest point of a jump; a jump shot.

A nuclear power plant worker who repairs equipment in areas with extremely high levels of radiation.

(video games) A platform game based around jumping.