Lexical Definition

‎κεφαλαιόω‎ kephalaióō (kef-al-ahee-o'-o) to strike a head ^G:V
from the same as ‎κεφάλαιον‎

wound in the head.

• (specially) to strike on the head

Abbott-Smith

** κεφαλιόω (Rec. -αιόω, [so in LXX: Si 35 (32):8*]), -ῶ (< κεφάλιον, dimin. of κεφαλή, in late writers);
1. (-αιόω) to sum up (Thuc., al.).
2. (In NT, only) to wound on the head: Mk 12:4.†

Abbott-Smith References

Liddell-Scott-Jones

κεφαλαιόω-όω,

bring under heads, sum up, [Refs 5th c.BC+]:—middle, [Refs 4th c.BC+]; κ. τινά characterize generally, [Refs 5th c.BC+]:—passive, to be summed up, [Refs 4th c.BC+]; κεφαλαιόωοῦσθαι ἐννακισχιλίων ἑξακοσίων [σταδίων] to amount in all to.., [Refs 1st c.BC+]; εἰς δύο ἀρτηρίας ἡ πάντων ἀγγείων κ. σύνοδος is combined in.., [Refs 2nd c.AD+]; κεφαλαιόωούσθω διότι.. [Refs 5th c.BC+]

__II smite on the head, [NT]

_{LSJ Scripture Refs: Mark.12.4}