Lexical Definition

‎ἱερόσυλος‎ hierósylos (hee-er-os'-oo-los) temple robber ^G:A
from ‎ἱερόν‎ and ‎συλάω‎

robber of churches.

• a temple-despoiler

Abbott-Smith

** ἱερόσυλος, -ον (< ἱερόν, συλάω), [in LXX: II Mac 4:42 (cf. -λημα, II Mac 4:39; -λία, 13:6)*;]
robbing temples: Ac 19:37.†

Abbott-Smith References

Liddell-Scott-Jones

ἱερόσυλος-ος, ὁ,

(proparoxytone) temple-robber, or generally, sacrilegious person, [Refs 5th c.BC+]: neuter as adjective, ἱ. θηρία [Refs]

__II of things, got by sacrilege, παροψίδες [Refs 4th c.BC+]