Päck'ing, n.

n. 1. Any material used to pack, fill up, or make close, as the substance around the piston of a pump or other tube, to render it water or air tight.

2. A trick; collusion. [Obs.] Bale.
3. (Masonry.) A filling of mortar and small pieces of stone for the vacant spaces in the middle of a wall, and the like.