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The Collaborative International Dictionary of English v.0.48 (gcide)

Jigging \Jig"ging\, n. (Mining)
The act or using a jig; the act of separating ore with a
jigger, or wire-bottomed sieve, which is moved up and down in
water.
[1913 Webster]

{Jigging machine}.
(a) (Mining) A machine for separating ore by the process of
jigging.
(b) (Metal Working) A machine with a rotary milling cutter
and a template by which the action of the cutter is
guided or limited; -- used for forming the profile of an
irregularly shaped piece; a profiling machine.
[1913 Webster]


Jig \Jig\, v. t. [imp. & p. p. {Jigged}; p. pr. & vb. n.
{Jigging}.]
[1913 Webster]
1. To sing to the tune of a jig.
[1913 Webster]

Jig off a tune at the tongue's end. --Shak.
[1913 Webster]

2. To trick or cheat; to cajole; to delude. --Ford.
[1913 Webster]

3. (Mining) To sort or separate, as ore in a jigger or sieve.
See {Jigging}, n.
[1913 Webster]

4. (Metal Working) To cut or form, as a piece of metal, in a
jigging machine.
[1913 Webster]

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