Source : Webster's Revised Unabridged Dictionary (1913)

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

Tuscan \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}.

Source : WordNet®

Tuscan
     adj 1: of or relating to or characteristic of Tuscany or its people
     2: a classical order similar to Roman Doric
     n 1: a resident of Tuscany
     2: a dialect of Italian spoken in Tuscany (especially Florence)