Source : Webster's Revised Unabridged Dictionary (1913)

Pad \Pad\, n. [D. pad. [root]21. See {Path}.]
   1. A footpath; a road. [Obs. or Prov. Eng.]

   2. An easy-paced horse; a padnag. --Addison

            An abbot on an ambling pad.           --Tennyson.

   3. A robber that infests the road on foot; a highwayman; --
      usually called a {footpad}. --Gay. Byron.

   4. The act of robbing on the highway. [Obs.]

Pad \Pad\, v. t.
   To travel upon foot; to tread. [Obs.]

         Padding the streets for half a crown.    --Somerville.

Pad \Pad\, v. i.
   1. To travel heavily or slowly. --Bunyan.

   2. To rob on foot. [Obs.] --Cotton Mather.

   3. To wear a path by walking. [Prov. Eng.]

Pad \Pad\, n. [Perh. akin to pod.]
   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. (Zo["o]l.) 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. --W. C. Russel.

   9. A measure for fish; as, sixty mackerel go to a pad; a
      basket of soles. [Eng.] --Simmonds.

   {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.

Pad \Pad\, v. t. [imp. & p. p. {Padded}; p. pr. & vb. n.
   {Padding}.]
   1. To stuff; to furnish with a pad or padding.

   2. (Calico Printing) To imbue uniformly with a mordant; as,
      to pad cloth. --Ure.

Source : WordNet®

pad
     v 1: add details to [syn: {embroider}, {lard}, {embellish}, {aggrandize},
           {aggrandise}, {blow up}, {dramatize}, {dramatise}]
     2: walk heavily and firmly, as when weary, or through mud;
        "Mules plodded in a circle around a grindstone" [syn: {slog},
         {footslog}, {plod}, {trudge}, {tramp}]
     3: line or stuff with soft material; "pad a bra" [syn: {fill
        out}]
     4: add padding to; "pad the seat of the chair" [syn: {bolster}]
     [also: {padding}, {padded}]

pad
     n 1: a number of sheets of paper fastened together along one edge
          [syn: {pad of paper}, {tablet}]
     2: the large floating leaf of an aquatic plant (as the water
        lily)
     3: a block of absorbent material saturated with ink; used to
        transfer ink evenly to a rubber stamp [syn: {inkpad}, {inking
        pad}, {stamp pad}]
     4: a usually thin flat mass of padding
     5: a platform from which rockets or space craft are launched
        [syn: {launching pad}, {launchpad}, {launch pad}, {launch
        area}]
     6: temporary living quarters [syn: {diggings}, {digs}, {domiciliation},
         {lodgings}]
     7: the foot or fleshy cushion-like underside of the toes of an
        animal
     [also: {padding}, {padded}]

Source : Free On-Line Dictionary of Computing

PAD
     
        {Packet Assembler/Disassembler}