Definitions from Wiktionary ( )

▸ noun:  Someone or something that jumps, e.g. a participant in a jumping event in track or skiing.
▸ noun:  A person who attempts suicide by jumping from a great height.
▸ noun:  A short length of electrical conductor, to make a temporary connection. Also jump wire.
▸ noun:  (electricity) A removable connecting pin on an electronic circuit board.
▸ noun:  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.
▸ noun:  (US) A crude kind of sleigh, usually a simple box on runners which are in one piece with the poles that form the thills.
▸ noun:  (arachnology, informal) A jumping spider.
▸ noun:  The larva of the cheese fly.
▸ noun:  (historical, 18th century) One of certain Calvinistic Methodists in Wales whose worship was characterized by violent convulsions.
▸ noun:  (horology) A spring to impel the starwheel, or a pawl to lock fast a wheel, in a repeating timepiece.
▸ noun:  (basketball) A shot in which the player releases the ball at the highest point of a jump; a jump shot.
▸ noun:  A nuclear power plant worker who repairs equipment in areas with extremely high levels of radiation.
▸ noun:  (video games) A platform game based around jumping.
▸ verb:  (transitive) To connect with an electrical jumper.
▸ noun:  (chiefly British, Australia, New Zealand) A woollen sweater or pullover.
▸ noun:  A loose outer jacket, especially one worn by workers and sailors.
▸ noun:  (US) 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; pinafore.
▸ noun:  (usually plural, jumpers) Rompers.
▸ noun:  (Australian rules football) The shirt worn by the players; a guernsey.
▸ noun:  A surname.
▸ noun:  Short for smokejumper. [(US, Canada) A firefighter who parachutes into a remote area to combat wildfires and set up firebreaks.]

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