Michael Bates Articles by Michael Bates DIRHAM DIRHAM (< Gk. drakhmē´ “drachma”; Mid. Pers. drahm, Pers. derham), a unit of silver coinage and of weight. i. In... DINAR DINAR (NPers. dīnār, Mid. Pers dēnār < Lat. denarius aureus), a gold coin. i. In pre-Islamic Persia. ii. In Islamic...