What is "finnikin"

Finnikin \Fin"ni*kin\, n. (Zo["o]l.) A variety of pigeon, with a crest somewhat resembling the mane of a horse. [Written also finikin.]

alt. A variety of pigeon, with a crest somewhat resembling the mane of a horse. n. A variety of pigeon, with a crest somewhat resembling the mane of a horse.