from
The Collaborative International Dictionary of English v.0.48
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.
[1913 Webster]
2. Any region of fabulous wealth; exceeding richness.
[1913 Webster]
The whole comedy is a sort of El Dorado of wit. --T.
Moore.
[1913 Webster]