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4 definitions found
 for jumper
From The Collaborative International Dictionary of English v.0.48 :

  Jumper \Jump"er\, n. [See 1st Jump.]
     1. A loose upper garment; as:
        (a) A sort of blouse worn by workmen over their ordinary
            dress to protect it.
        (b) A fur garment worn in Arctic journeys.
            [1913 Webster]
     2. A sleeveless one-piece dress, either with full shoulders
        or straps, sometimes with only the front part of the
        bodice, usually worn by women with a blouse underneath.

From The Collaborative International Dictionary of English v.0.48 :

  jumper \jump"er\ (j[u^]mp"[~e]r), n.
     1. One who, or that which, jumps.
        [1913 Webster]
     2. A long drilling tool used by masons and quarrymen.
        [1913 Webster]
     3. A rude kind of sleigh; -- usually, a simple box on runners
        which are in one piece with the poles that form the
        thills. [U.S.] --J. F. Cooper.
        [1913 Webster]
     4. (Zool.) The larva of the cheese fly. See Cheese fly,
        under Cheese.
        [1913 Webster]
     5. (Eccl.) A name applied in the 18th century to certain
        Calvinistic Methodists in Wales whose worship was
        characterized by violent convulsions.
        [1913 Webster]
     6. (Horology) spring to impel the star wheel, also a pawl to
        lock fast a wheel, in a repeating timepiece.
        [1913 Webster]
     Baby jumper. See in the Vocabulary.
     Bounty jumper. See under Bounty.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  jumper \jump"er\, n.
     1. A thing that jumps; esp., any of various tools or other
        contrivances operating with a jumping motion; as, (Mining,
        Quarrying, etc.), an instrument for boring holes in rocks
        by percussion without hammering, consisting of a bar of
        iron with a chisel-edged steel tip at one or both ends,
        operated by striking it against the rock, turning it
        slightly with each blow.
        [Webster 1913 Suppl.]
     2. (Electronics) a short wire, or a small plastic object
        containing such a short wire, used to optionally connect
        or disconnect two points in an electronic circuit, so as
        to include or exclude portions of the circuit and thus
        modify the function of the circuit. Such jumpers are much
        used to adapt add-on circuit boards for different
        conditions or functions within a computer.
     Note: The contacts to which jumpers connect in commercially
           produced circuit boards are typically two closely
           spaced short stiff wires standing perpendicular to the
           plane of the circuit board, and the jumper has two
           holes with spacing identical to that of the contacts
           wires, so as to allow convenient insertion or removal
           of the jumper.

From The Collaborative International Dictionary of English v.0.48 :

  jumper \jump"er\, v. t. (electronics)
     to insert a jumper[2] between the two contacts in (a
     circuit). See 2nd jumper.

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