Any material used especially to protect something

Wadding is a disc of material used in guns to seal gas behind a projectile, or to separate the propellant from loosely packed shots.

Lightly matted sheets of fiber used as padding

Wadding is a surname, and may refer to Joey Wadding, Irish Gaelic footballer Luke Wadding, Irish Franciscan historian Luke Wadding, bishop of Ferns Michael Wadding, Irish Catholic missionary Michael Wadding, Irish hurling referee Michael Wadding, British television producer Peter Wadding