1. [n]  a long narrow sled without runners; boards curve upward in front
2. [v]  move along on a luge or toboggan

TOBOGGAN is a 8 letter word that starts with T.

1. \To*bog"gan\, n. [Corruption of American Indian
   odabagan a sled.]
   A kind of sledge made of pliable board, turned up at one or
   both ends, used for coasting down hills or prepared inclined
   planes; also, a sleigh or sledge, to be drawn by dogs, or by
   hand, over soft and deep snow. [Written also {tobogan}, and
   {tarbogan}.]
   
   

2. \To*bog"gan\, v. i. [imp. & p. p. {Tobogganed}; p. pr.
   & vb. n. {Tobogganing}.]
   To slide down hill over the snow or ice on a toboggan.
   --Barilett.