The·mis·to·cles (thə-mĭs'tə-klēz') Athenian military and political leader. After persuading the Athenians to build a navy, he led the new fleet to victory over Persia in the Battle of Salamis (480).
name of great Athenian political leader, from Gk. Themistokles, lit. "famed in law and right," from themis "custom, law, right" (see Themis) + -kles (see Damocles).