Strong H8577M תַּנִּין tannîyn tannîym · serpent: snake

Exodus

1. Exodus 7:9
   When Pharaoh shall speak unto you, saying, Shew a miracle for you: then thou shalt say unto Aaron, Take thy rod, and cast it before Pharaoh, and it shall become a serpent.
2. Exodus 7:10
   And Moses and Aaron went in unto Pharaoh, and they did so as the Lord had commanded: and Aaron cast down his rod before Pharaoh, and before his servants, and it became a serpent.
3. Exodus 7:12
   For they cast down every man his rod, and they became serpents: but Aaron’s rod swallowed up their rods.