Peloponnesian

(-zhăn), a. [Lat. Peloponnesius, from Lat. Peloponnesus, Gr. Πελοπόννησος, i. e., the Island of Pelops, from Πέλοψ, genitive Πέλοπος, Pelops, and νῆσος, an island.] (Geog.) Pertaining to the Peloponnesus, or the southern peninsula of Greece.