Definitions

from The Century Dictionary and Cyclopedia

  • n. A large bag composed of layers of canvas, saturated or coated with air-proof and water-proof preparations and filled with air, designed for use in raising sunken vessels. When needed for use, empty air-bags are secured to the vessel beneath the surface of the water, and air is then forced into them. Also called air-cushion.
  • n. The presser of a pneumatic molding-machine.

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