Snapdragon \Snap"drag`on\, n.

1. (Bot.)
   (a) Any plant of the scrrophulariaceous genus Antirrhinum, especially the cultivated A. majus, whose showy flowers are fancifully likened to the face of a dragon.
   (b) A West Indian herb (Ruellia tuberosa) with curiously shaped blue flowers.

2. A play in which raisins are snatched from a vessel containing burning brandy, and eaten; also, that which is so eaten. See Flapdragon. --Swift.

Source: Webster's Revised Unabridged Dictionary (1913)