- any plant belonging to the genus Antirrhinum, of the figwort family, especially A. majus, cultivated for its spikes of showy flowers, each having a corolla supposed to resemble the mouth of a dragon.
- flapdragon.
- any of several scrophulariaceous chiefly Old World plants of the genus Antirrhinum, esp A. majus, of the Mediterranean region, having spikes of showy white, yellow, pink, red, or purplish flowers
