Merriam-Webster's Collegiate® Dictionary, 11th Edition
PAD
I. verb (padded; padding)
Etymology: perhaps from Middle Dutch paden to follow a path, from pad path
Date: 1553
transitive verb to traverse on foot, intransitive verb to go on foot ; walk ,
II. noun
Etymology: Middle Dutch pad
Date: 1567
path , a horse that moves along at an easy pace, footpad ,
III. noun
Etymology: origin unknown
Date: 1570
1. a thin flat mat or cushion: as, a piece of soft stuffed material used as or under a saddle, padding used to shape an article of clothing, a guard worn to shield body parts against impact, a piece of usually folded absorbent material (as gauze) used as a surgical dressing or protective covering, a component of certain brake systems (as disc brakes) consisting of a plate covered with a frictional material, a piece of material saturated with ink for inking the surface of a rubber stamp,
2. the foot of an animal, the cushioned thickening of the underside of the toes of an animal, a floating leaf of a water plant, a collection of sheets of paper glued together at one end,
5. a. a section of an airstrip used for warm-ups or turnarounds, an area used for helicopter takeoffs and landings, launchpad , a horizontal concrete surface (as for parking a mobile home),
6. bed , living quarters,
IV. transitive verb (padded; padding)
Date: 1827
1. to furnish with a pad or padding, mute , muffle , to expand or increase especially with needless, misleading, or fraudulent matter ,
V. noun
Etymology: imitative
Date: 1594
a soft muffled or slapping sound