Source : Webster's Revised Unabridged Dictionary (1913)

Sled \Sled\, n. [Akin to D. slede, G. schlitten, OHG. slito,
   Icel. sle?i, Sw. sl["a]de, Dan. sl?de, and E. slide, v. See
   {Slide}, and cf. {Sledge} a vehicle, {Sleigh}.]
   1. A vehicle on runners, used for conveying loads over the
      snow or ice; -- in England called sledge.

   2. A small, light vehicle with runners, used, mostly by young
      persons, for sliding on snow or ice.

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.

Source : WordNet®

sled
     n : a vehicle mounted on runners and pulled by horses or dogs;
         for transportation over snow [syn: {sledge}, {sleigh}]
     v : ride (on) a sled [syn: {sleigh}]
     [also: {sledding}]