Strong's #785: aspis (pronounced as-pece')
of uncertain derivation; a buckler (or round shield); used of a serpent (as coiling itself), probably the "asp":--asp.
Thayer's Greek Lexicon:
̓́
aspis
1) an asp, a small and most venomous serpent, the bite of which
Part of Speech: noun masculine
Relation: of uncertain derivation
Usage:
This word is used 1 times:
Romans 3:13: "tongues they have used deceit; the poison of asps is under their lips:"