The Collaborative International Dictionary of English v.0.48:

Sled \Sled\, v. t. [imp. & p. p. Sledded; p. pr. & vb. n.
   Sledding.]
   To convey or transport on a sled; as, to sled wood or timber.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sledding \Sled"ding\, n.
   1. The act of transporting or riding on a sled.
      [1913 Webster]

   2. The state of the snow which admits of the running of
      sleds; as, the sledding is good.
      [1913 Webster]

WordNet (r) 3.0 (2006):

sledding
    n 1: the sport of riding on a sled or sleigh
    2: advancing toward a goal; "persuading him was easy going";
       "the proposal faces tough sledding" [syn: going,
       sledding]