| any of several African, gallinaceous birds of the subfamily Numidinae, esp. a common species, Numida meleagris, that has a bony casque on the head and dark gray plumage spotted with white and that is now domesticated and raised for its flesh and eggs. |
| guinea fowl n. Any of several pheasantlike birds of the family Numididae native to Africa, especially a widely domesticated species (Numida meleagris) having blackish plumage marked with many small white spots. Also called guinea hen. [After the Guinea coast of Africa.] |