Pylos (?pa?l?s) n (Placename) a port in SW Greece, in the SW Peloponnese; scene of a defeat of the Spartans by the Athenians (425 bc) during the Peloponnesian War and of the Battle of Navarino. Italian name: Navarino Modern Greek name: Pílos See NavarinoCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014