drill jig

2 definitions found

drill jig - Collaborative International Dictionary of English v.0.48 :

  Jig \Jig\, n. [OF. gigue a stringed instrument, a kind of dance,
     F. gigue dance, tune, gig; of German origin; cf. MHG.
     g[imac]ge fiddle, G. geige. Cf. Gig a fiddle, Gig a
     whirligig.]
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     1. (Mus.) A light, brisk musical movement.
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              Hot and hasty, like a Scotch jig.     --Shak.
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     3. A light, humorous piece of writing, esp. in rhyme; a farce
        in verse; a ballad. [Obs.]
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              A jig shall be clapped at, and every rhyme
              Praised and applauded.                --Beau. & Fl.
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     4. A piece of sport; a trick; a prank. [Obs.]
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              Is't not a fine jig,
              A precious cunning, in the late Protector? --Beau. &
                                                    Fl.
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     5. A trolling bait, consisting of a bright spoon and a hook
        attached.
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     6. (Mach.)
        (a) A small machine or handy tool; esp.: (Metal Working) A
            contrivance fastened to or inclosing a piece of work,
            and having hard steel surfaces to guide a tool, as a
            drill, or to form a shield or template to work to, as
            in filing.
        (b) (Mining) An apparatus or a machine for jigging ore.
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     Drill jig, a jig for guiding a drill. See Jig, 6
        (a) .
  
     Jig drilling, Jig filing (Metal Working), a process of
        drilling or filing in which the action of the tool is
        directed or limited by a jig.
  
     Jig saw, a sawing machine with a narrow, vertically
        reciprocating saw, used to cut curved and irregular lines,
        or ornamental patterns in openwork, a scroll saw; --
        called also gig saw.
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  Drill \Drill\, n.
     1. An instrument with an edged or pointed end used for making
        holes in hard substances; strictly, a tool that cuts with
        its end, by revolving, as in drilling metals, or by a
        succession of blows, as in drilling stone; also, a drill
        press.
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     2. (Mil.) The act or exercise of training soldiers in the
        military art, as in the manual of arms, in the execution
        of evolutions, and the like; hence, diligent and strict
        instruction and exercise in the rudiments and methods of
        any business; a kind or method of military exercises; as,
        infantry drill; battalion drill; artillery drill.
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     3. Any exercise, physical or mental, enforced with regularity
        and by constant repetition; as, a severe drill in Latin
        grammar.
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     4. (Zool.) A marine gastropod, of several species, which
        kills oysters and other bivalves by drilling holes through
        the shell. The most destructive kind is Urosalpinx  cinerea
        .
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     Bow drill, Breast drill. See under Bow, Breast.
  
     Cotter drill, or Traverse drill, a machine tool for
        drilling slots.
  
     Diamond drill. See under Diamond.
  
     Drill jig. See under Jig.
  
     Drill pin, the pin in a lock which enters the hollow stem
        of the key.
  
     Drill sergeant (Mil.), a noncommissioned officer whose
        office it is to instruct soldiers as to their duties, and
        to train them to military exercises and evolutions.
  
     Vertical drill, a drill press.
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