GUIN'EA-HEN, noun The Numida meleagris, a fowl of the gallinaceous order, a native of Africa. It is larger than the common domestic hen, and has a kind of colored fleshy horn on each side of the head. Its color is a dark gray, beautifully variegated with small white spots.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI