subs. (old).—A housebreaker’s tool; see quot., 1754.

1

  c. 1696.  B. E., A New Dictionary of the Canting Crew, s.v.

2

  1754.  The Scoundrel’s Dictionary, ‘The black Prosession,’ p. 30. [An instrument to lift up a grate or grating, to steal what is in the window.]

        The Ninth is a GINNY, to lift up the Grate,
If he sees but the Lurry with his Hooks he will bait.

3

  1785.  GROSE, A Classical Dictionary of the Vulgar Tongue, s.v.

4