Bible Dictionaries
Viper

Webster's Dictionary

(1):

(a.) Any one of numerous species of Old World venomous makes belonging to Vipera, Clotho, Daboia, and other genera of the family Viperidae.

(2):

(a.) A dangerous, treacherous, or malignant person.

Bibliography Information
Webster, Noah. Entry for 'Viper'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​v/viper.html. 1828.