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.

Source: Webster's Revised Unabridged Dictionary (1913)