Guinea (Noun) — (ethnic slur) a person of Italian descent.
Guinea (Noun) — A republic in western Africa on the Atlantic; formerly a French colony; achieved independence from France in 1958.
Guinea (Noun) — A former British gold coin worth 21 shillings.
Guinea (Noun) — A west African bird having dark plumage mottled with white; native to Africa but raised for food in many parts of the world.