Source : Webster's Revised Unabridged Dictionary (1913)

Wad \Wad\, v. t. [imp. & p. p. {Waded}; p. pr. & vb. n.
   {Wadding}.]
   1. To form into a mass, or wad, or into wadding; as, to wad
      tow or cotton.

   2. To insert or crowd a wad into; as, to wad a gun; also, to
      stuff or line with some soft substance, or wadding, like
      cotton; as, to wad a cloak.

Wadding \Wad"ding\, n. [See {Wad} a little mass.]
   1. A wad, or the materials for wads; any pliable substance of
      which wads may be made.

   2. Any soft stuff of loose texture, used for stuffing or
      padding garments; esp., sheets of carded cotton prepared
      for the purpose.

Source : WordNet®

wad
     n 1: (often followed by `of') a large number or amount or extent;
          "a batch of letters"; "a deal of trouble"; "a lot of
          money"; "he made a mint on the stock market"; "it must
          have cost plenty" [syn: {batch}, {deal}, {flock}, {good
          deal}, {great deal}, {hatful}, {heap}, {lot}, {mass}, {mess},
           {mickle}, {mint}, {muckle}, {peck}, {pile}, {plenty}, {pot},
           {quite a little}, {raft}, {sight}, {slew}, {spate}, {stack},
           {tidy sum}, {whole lot}, {whole slew}]
     2: a wad of something chewable as tobacco [syn: {chew}, {chaw},
         {cud}, {quid}, {plug}]
     [also: {wadding}, {wadded}]

wadding
     n : any material used especially to protect something [syn: {packing
         material}, {packing}]

wad
     v 1: compress into a wad; "wad paper into the box" [syn: {pack},
          {bundle}, {compact}]
     2: crowd or pack to capacity; "the theater was jampacked" [syn:
         {jam}, {jampack}, {ram}, {chock up}, {cram}]
     [also: {wadding}, {wadded}]

wadding
     See {wad}