Lexical Definition

‎ἐξορκιστής‎ exorkistḗs (ex-or-kis-tace') exorcist ^G:N-M
from ‎ἐξορκίζω‎

exorcist.

• one that binds by an oath (or spell), i.e. (by implication) an "exorcist" (conjurer)

Abbott-Smith

*† ἐξ-ορκιστής, -οῦ, ὁ (< ἐξορκίζω),
1. one who administers an oath.
2. an exorcist: Ac 19:13.†

Abbott-Smith References

Liddell-Scott-Jones

ἐξορκιστής-ιστής, οῦ, ὁ,

exorcist, [NT+2nd c.AD+]

_{LSJ Scripture Refs: Acts.19.3}