1. a place of fabulous wealth or opportunity; a legendary city of gold sought by Spanish conquistadors
Usage: often capitalized when referring to the historical legend; commonly used metaphorically in modern English

Examples

• Tech entrepreneurs viewed Silicon Valley as their eldorado in the 1990s.
• The gold rush attracted thousands of prospectors searching for their own eldorado.
• For many immigrants, America represented an eldorado of opportunity and freedom.
• The startup founder promised investors they had found the eldorado of renewable energy.
• Historians debated whether Eldorado was ever a real place or merely a myth.
• Young artists flocked to the city, hoping it would be their personal eldorado.