Packing

Part of speech: noun (n.)

1. The act or process of one who packs.

2. Any material used to pack, fill up, or make close. Specifically (Mach.):

3. A substance or piece used to make a joint impervious; as:

4. A thin layer, or sheet, of yielding or elastic material inserted between the surfaces of a flange joint.

5. The substance in a stuffing box, through which a piston rod slides.

6. A yielding ring, as of metal, which surrounds a piston and maintains a tight fit, as inside a cylinder, etc.

7. Same as Filling. [Rare in the U. S.]

8. A trick; collusion. [Obs.] Bale. Cherd packing (Bridge Building), the arrangement, side by side, of several parts, as bars, diagonals, a post, etc., on a pin at the bottom of a chord. Waddell. -- Packing box, a stuffing box. See under Stuffing. -- Packing press, a powerful press for baling cotton, wool, hay, etc. -- Packing ring. See Packing, 2 (c), and Illust. of Piston. -- Packing sheet. (a) A large cloth for packing goods. (b) A sheet prepared for packing hydropathic patients.