TULLE is a 5 letter word that starts with T.

1. \Tulle\, n. [Cf. F. tuile a tile.]
   In plate armor, a suspended plate in from of the thigh. See
   Illust. of {Tasses}.
   
   

2. \Tulle\, n. [F.; -- so called from the town of Tulle, in
   France.]
   A kind of silk lace or light netting, used for veils, etc.