p. pr. & vb. n. - of Pack
n. - The act or process of one who packs.
n. - Any material used to pack, fill up, or make close.
n. - A substance or piece used to make a joint impervious
n. - A thin layer, or sheet, of yielding or elastic material inserted between the surfaces of a flange joint.
n. - The substance in a stuffing box, through which a piston rod slides.
n. - A yielding ring, as of metal, which surrounds a piston and maintains a tight fit, as inside a cylinder, etc.
n. - Same as Filling.
n. - A trick; collusion.