\Do*ra"do\, n. [Sp. dorado gilt, fr. dorar to gild, fr. L. deaurare. See 1st {Dory}, and cf. {Fl Dorado}.] 1. (Astron.) A southern constellation, within which is the south pole of the ecliptic; -- called also sometimes Xiphias, or the Swordfish. 2. (Zo["o]l.) A large, oceanic fish of the genus {Coryph[ae]na}.