Wordnet 3.0
ADJECTIVE (1)
1.
of or relating to Peloponnesus;
- Example: "Peloponnesian War"
The Collaborative International Dictionary of English v.0.48:
Peloponnesian \Pel`o*pon*ne"sian\, a. [L. Peloponnesius, fr.
Peloponnesus, Gr. ?, lit., the Island of Pelops; ?, ?, Pelops
+ ? an island.]
Of or pertaining to the Peloponnesus, or southern peninsula
of Greece. -- n. A native or an inhabitant of the
Peloponnesus.
[1913 Webster]
WordNet (r) 3.0 (2006):
Peloponnesian
adj 1: of or relating to Peloponnesus; "Peloponnesian War"