1. 
[syn: Portuguese, Lusitanian]
2.  of or relating to or characteristic of the region of Lusitania or its people or language; 
The Collaborative International Dictionary of English v.0.48:
Lusitanian \Lu`si*ta"ni*an\, a.
   Pertaining to Lusitania, the ancient name of the region
   almost coinciding with Portugal. -- n. One of the people of
   Lusitania.
   [1913 Webster]
WordNet (r) 3.0 (2006):
Lusitanian
    adj 1: of or relating to or characteristic of Portugal or the
           people of Portugal or their language; "Portuguese wines"
           [syn: Portuguese, Lusitanian]
    2: of or relating to or characteristic of the region of
       Lusitania or its people or language