Phenix \Phe"nix\, n.; pl. {Phenixes}. [L. phoenix, Gr. foi^nix.] [Written also {ph[oe]nix}.] 1. (Gr. Myth.) A bird fabled to exist single, to be consumed by fire by its own act, and to rise again from its ashes. Hence, an emblem of immortality. 2. (Astron.) A southern constellation. 3. A marvelous person or thing. [R.] --Latimer.