Lexical Definition

‎πελεκίζω‎ pelekízō (pel-ek-id'-zo) to behead ^G:V
from a derivative of ‎πλήσσω‎ (meaning an axe)

behead.

• to chop off (the head), i.e. truncate

Abbott-Smith

*† πελεκίζω (< πέλεκυς, a battle-axe),
to out off with an axe, esp. to behead: c. acc., Re 20:4 (Polyb., al.).†

Abbott-Smith References

Liddell-Scott-Jones

πελεκίζω-ίζω,

cut off with an axe, especially behead, τινα [NT+2nd c.BC+]

_{LSJ Scripture Refs: Rev.20.4}