1) Advancing toward a goal 2) Athletics 3) Human-powered transport 4) Sport 5) Winter fun 6) Winter sport 1) Bobsledding 2) Tobogganing 
Sledding, sleding or tobogganing is a world wide winter activity, exercised most often in a prone or seated position requiring a device or vehicle generically known as a sled (English language), a sledge (Old English) or toboggan. It is the basis of three olympic sports: luge, skeleton and bobsledding, all of which are based on sled principles. ==...
• (n.) The act of transporting or riding on a sled. • (p. pr. & vb. n.) of Sled • (n.) The state of the snow which admits of the running of sleds; as, the sledding is good.
winter recreation and sport involving the riding of sleds over ice or snow. For various forms of sled racing, see tobogganing; bobsledding; lugeing; ...
Sled'ding noun 1. The act of transporting or riding on a sled. 2. The state of the snow which admits of the running of sleds; as, the sledding is good. 
[n] - the sport of riding on a sled or sleigh
noun the sport of riding on a sled or sleigh