Strong's Concordance H8207

Original Word: שְׁפִיפֹן
Transliteration: shᵉphîyphôn
Phonetic Spelling: shef-ee-fone'
from an unused root meaning the same as H7779; a kind of serpent (as snapping), probably the cerastes or horned adder; adder.

Usages throughout the bible

Genesis 49:17 - Dan shall be a serpent by the way, an adder H8207 in the path, that biteth the horse heels, so that his rider shall fall backward.