NOUN (1)

1. a native or inhabitant of Belgium;


ADJECTIVE (1)

1. of or relating to or characteristic of Belgium or the Belgian people;
- Example: "the Belgian Queen"

The Collaborative International Dictionary of English v.0.48:

Belgian \Bel"gi*an\, a.
   Of or pertaining to Belgium. -- n. A native or inhabitant of
   Belgium.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Belgian
    adj 1: of or relating to or characteristic of Belgium or the
           Belgian people; "the Belgian Queen"
    n 1: a native or inhabitant of Belgium