1.
Padding is soft material which is put on something or inside it in order to make it less hard, to protect it, or to give it a different shape.
...the foam rubber ~ on the headphones...
Players must wear ~ to protect them from injury.
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2.
Padding is unnecessary words or information used to make a piece of writing or a speech longer.
...the kind of subject that politicians put in their speeches for a bit of ~.
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