Pad, n.
 1. A soft, or small, cushion; a mass of anything soft; stuffing.
 2. A kind of cushion for writing upon, or for blotting; esp., one formed of many flat sheets of writing paper, or layers of blotting paper; a block of paper.
 3. A cushion used as a saddle without a tree or frame.
 4. A stuffed guard or protection; esp., one worn on the legs of horses to prevent bruising.
 5. Zool. A cushionlike thickening of the skin one the under side of the toes of animals.
 6. A floating leaf of a water lily or similar plant.
 7. Med. A soft bag or cushion to relieve pressure, support a part, etc.
 8. Naut. A piece of timber fixed on a beam to fit the curve of the deck.
 9. A measure for fish; as, sixty mackerel go to a pad; a basket of soles. [Eng.]
 Pad cloth, a saddlecloth; a housing.
 Pad saddle. See def. 3, above.
 Pad tree Harness Making, a piece of wood or metal which gives rigidity and shape to a harness pad. --Knight.
 on the pad, receiving bribes; -- of police officers.