[ˏeldә'rɑ:dәu]
n.
<西>理想中的黄金国, 传说中的宝山

[ noun ]
an imaginary place of great wealth and opportunity; sought in South America by 16th-century explorers
<noun.cognition>

El Dorado \El` Do*ra"do\, pl. {El Doradoes}. [Sp., lit., the
gilt (sc. land); el the + dorado gilt, p. p. of dorare to
gild. Cf. {Dorado}.]
1. A name given by the Spaniards in the 16th century to an
imaginary country in the interior of South America,
reputed to abound in gold and precious stones.

2. Any region of fabulous wealth; exceeding richness.

The whole comedy is a sort of El Dorado of wit. --T.
Moore.