Lyceum: Aristotle’s school in Athens, focused on teaching and research.

The Academy: Founded by Plato, one of the first institutions of higher learning.

Greek Fire: An incendiary weapon used in naval warfare.

Drachma: The currency used in ancient Greece.

Boule: A council of 500 citizens chosen to run daily affairs of the city.

Ecclesia: The principal assembly of the democracy of ancient Athens.

Metics: Foreigners living in Athens who had certain legal rights but were not citizens.

Spartan Agoge: The rigorous education and training program for Spartan boys.

Syssitia: Common meals in Sparta for male citizens.

Gymnosophists: Ancient Greek philosophers who practiced asceticism.