Aegina, e ji'na, a Greek island in the Gulf of Aegina. It is about 8 miles long and the same in breadth. Except in the west, where the surface is more level, the island is mountainous and unproductive. The inhabitants are chiefly engaged in trade, seafaring and agriculture, and the chief crops are almonds, olives and grain. Aegina was especially celebrated in ancient times for its beautiful buildings, among which was the temple of Jupiter on Mount Saint Elias. Population, about 9,000.