Word Summary
echidna: a viper
Original Word: ἔχιδνα
Transliteration: echidna
Phonetic Spelling: (ekh'-id-nah)
Part of Speech: Noun, Feminine
Short Definition: a viper
Meaning: a viper
Strong's Concordance

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

Thayer's Greek Lexicon
STRONGS NT 2191: ἔχιδνα

ἔχιδνα, ἐχιδνης, , a viper: Acts 28:3 (Hesiod, Herodotus, Tragg., Aristophanes, Plato, others); γεννήματα ἐχιδνῶν offspring of vipers (anguigenae, Ovid, metam. 3,531), addressed to cunning, malignant, wicked men: Matthew 3:7; Matthew 12:34; Matthew 23:33; Luke 3:7.