1. plural of guinea: former British gold coins worth 21 shillings
Usage: historical
2. plural of guinea: small domesticated fowl native to Africa, often raised on farms
3. plural of guinea: the countries of Guinea, Guinea-Bissau, or Equatorial Guinea in West Africa
Usage: geographical

Examples

• The antique shop displayed several old guineas in a glass case.
• He paid twenty guineas for the painting at auction.
• The farm raised chickens, ducks, and guineas for eggs and meat.
• Guineas are known for their loud calls and spotted feathers.
• The three Guineas in West Africa each have distinct cultures.
• Guinea fowl make excellent guard animals on rural properties.