עַכְשׁוּב (ʻakshûwbak-shoob'noun|masculineasp)
[Heb] עַכְשׁוּב ETCBC: עַכְשׁוּב‎ (subs|cerastes) OSHL: p.cq.ae TWOT: 1622 GK: H6582
Derivation: probably from an unused root meaning to coil;
Strong's: an asp (from lurking coiled up)
KJV: adder.