Word: ecidna

Pronounce: ekh'-id-nah

Strongs Number: G2191

Orig: of uncertain origin; an adder or other poisonous snake (literally or figuratively):--viper.

Use: TDNT-2:815,286 Noun Feminine

Heb Strong:

1) a viper, offspring of vipers
1a) addressed to cunning, malignant, wicked men