ancient town in Babylonia, near the Euphrates: site of a battle (401 ) in which Cyrus the Younger was killed
See Cunaxa in American Heritage Dictionary 4
Cu·nax·a
An ancient town of Babylonia northwest of Babylon. It was the site of a battle (401 B.C.) in which Artaxerxes II of Persia defeated his brother Cyrus the Younger, leading to the Retreat of the Ten Thousand described by Xenophon in his Anabasis.