P

n. The act or process of one who packs. Any material used to pack, fill up, or make close. In relation to gerrymandering, the process where the majority political party minimizes minority representation by putting as many minorities in as few voting districts as possible.

Specifically (Mach.): A substance or piece used to make a joint impervious; as: (a) A thin layer, or sheet, of yielding or elastic material inserted between the surfaces of a flange joint. (b) The substance in a stuffing box, through which a piston rod slides. (c) A yielding ring, as of metal, which surrounds a piston and ...