1. [n]  a dialect of Italian spoken in Tuscany (especially Florence)
2. [n]  a resident of Tuscany
3. [adj]  a classical order similar to Roman Doric
4. [adj]  of or relating to or characteristic of Tuscany or its people

TUSCAN is a 6 letter word that starts with T.

1. \Tus"can\, a. [L. Tyscanus, Tuscus.]
   Of or pertaining to Tuscany in Italy; -- specifically
   designating one of the five orders of architecture recognized
   and described by the Italian writers of the 16th century, or
   characteristic of the order. The original of this order was
   not used by the Greeks, but by the Romans under the Empire.
   See {Order}, and Illust. of {Capital}.
   
   

2. \Tus"can\, n.
   A native or inhabitant of Tuscany.