What is the meaning of padding?

noun

• Artifact consisting of soft or resilient material used to fill or give shape or protect or add comfort.
  • synonyms: cushioning

verb

• Add details to.
  • synonyms: embroider, pad, lard, embellish, aggrandize, aggrandise, blow up, dramatize, dramatise
• Walk heavily and firmly, as when weary, or through mud.
  • usage: "Mules plodded in a circle around a grindstone"
  • synonyms: slog, footslog, plod, trudge, pad, tramp
• Line or stuff with soft material.
  • usage: "pad a bra"
  • synonyms: pad, fill out
• Add padding to.
  • usage: "pad the seat of the chair"
  • synonyms: pad, bolster