The Collaborative International Dictionary of English v.0.48:

Gally \Gall"y\, a.
   Like gall; bitter as gall. --Cranmer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gally \Gal"ly\, n.
   See Galley, n., 4.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Gally \Gal"ly\, v. t. [See Gallow, v. t.]
   To frighten; to worry. [Obs. or Prov. Eng.] --T. Brown.
   [1913 Webster]