Darius: Darius III, king of Persia who was defeated by Alexander the Great and then killed by his own men in 330 B.C.

Delphi: Greek sanctuary dedicated to the god Apollo

diadem: band worn on the head as a crown, signifying royal power

die: engraved stamp used to impress a design on a softer material, such as metal, in forming coins

Dionysos: god of wine and fertility; known as Bacchus by the Romans

djed column: pillar-like symbol representing "stability"; thought to represent the backbone of the god Osiris

drachma: coin that was the monetary unit of Athens

dynasty: term used to designate a time frame in which a particular ruler or ruling family reigned