1. a breed of pigeon with an inflatable crop that can puff out its chest

Examples

• The powter pigeon puffed out its chest in an impressive display.
• At the bird show, the powter was admired for its distinctive appearance.
• The breeder specialized in raising powters and other fancy pigeons.
• When courting, the male powter inflates its crop to attract a mate.
• The powter’s ability to balloon its chest makes it unique among pigeon breeds.