Jigger

A whipping-post.
a secret still for the manufacture of illicit spirits.
“I'm jiggered  if you will,” a common form of mild swearing. See snigger.
a door; “dub the jigger ,” shut the door. Ancient cantgyger. In billiards, the bridge or rest is often termed the jigger. Also, the curtain of a theatre. Jigger  has many meanings, the word being applied to any small mechanical contrivance. Printers use the word for a little machine which guides the eye when copy is minute.