1. (Science: zoology) Any one of numerous species of old world venomous makes belonging to Vipera, Clotho, daboia, and other genera of the family viperidae. There came a viper out of the heat, and fastened on his hand. (acts xxviii. 3)
(Science: botany) Viper's bugloss, a perennial composite herb (Scorzonera Hispanica) with narrow, entire leaves, and solitary heads of yellow flowers. The long, white, carrot-shaped roots are used for food in Spain and some other countries.
Synonym: viper grass.
Origin: F. Vipere, L. Vipera, probably contr. Fr. Vivipera; vivus alive _ parere to bring forth, because it was believed to be the only serpent that brings forth living young. Cf. Quick, Parent, Viviparous, Wivern, Weever.