grecian(n = noun.person) - a native or resident of Greece;
is a kind of european
is a member of ellas, greece, hellenic republic

   grecian(a = adj.pert) greek, hellenic - of or relating to or characteristic of Greece or the Greeks or the Greek language; "Greek mythology"; "a Grecian robe"
Derived form noun greek₂

   Of or pertaining to Greece; Greek. [1913 Webster]

1.  A native or naturalized inhabitant of Greece; a Greek. [1913 Webster]

2.  A jew who spoke Greek; a Hellenist. Acts vi. 1. [1913 Webster]
" The Greek word rendered Grecian in the Authorized Version of the New Testament is translated Grecian Jew in the Revised Version." [1913 Webster]

3.  One well versed in the Greek language, literature, or history. De Quincey. [1913 Webster]

grecian, adj. (of architecture or facial outline) following Greek models or ideals.

Idiom:
Grecian nose a straight nose that continues the line of the forehead without a dip.

Etymology:
OF grecien or med.L graecianus (unrecorded) f. L Graecia Greece