Definitions of pad:

• noun:   the foot or fleshy cushion-like underside of the toes of an animal
• noun:   a usually thin flat mass of padding
• noun:   a block of absorbent material saturated with ink; used to transfer ink evenly to a rubber stamp
• noun:   the large floating leaf of an aquatic plant (as the water lily)
• noun:   a number of sheets of paper fastened together along one edge
• noun:   temporary living quarters
• noun:   a platform from which rockets or space craft are launched
• verb:   add padding to

  Example: "Pad the seat of the chair"

• verb:   line or stuff with soft material

  Example: "Pad a bra"

• verb:   add details to
• verb:   walk heavily and firmly, as when weary, or through mud