gizard

You may cut up a capon or pheasant the same way, but of your capon cut not off the pinion, but in the place where you put the pinion of the turkey, you must put the gizard of your capon on each side half.

The accomplisht cook or, The art & mystery of cookery Robert May

Hill, or Malvern's Hills, are but mole-hills in comparison, or like a liver, or a gizard under a capon's wing, in respect of the altitude of their tops, or perpendicularity of their bottoms.

The Pennyles Pilgrimage Or The Money-lesse Perambulation of John Taylor John Taylor 1616