3. (Mining) To sort or separate, as ore in a jigger or sieve. See
Jigging, n.
4. (Metal Working) To cut or form, as a piece of metal, in a jigging
machine.
Jig, v. i. To dance a jig; to skip about.
You jig, you amble, and you lisp.
Shak.
Jig"ger (?), n. [A corrupt. of chigre.] (Zoöl.) A species of flea
(Sarcopsylla, or Pulex, penetrans), which burrows beneath the skin. See
Chigoe.