Boyd’s Bible Dictionary:
(kingdom of Italus). In N. T. the whole of Italy between the Alps and sea (Acts 18:2; 27:1; Heb. 13:24).
Concise Bible Dictionary:
The well-known country, of which Rome was the capital. It is only incidentally mentioned in scripture (Acts 18:2; Acts 27:1,6, Heb. 13:24).
Strong’s Dictionary of Greek Words:
Meaning:
probably of foreign origin; Italia, a region of Europe
Jackson’s Dictionary of Scripture Proper Names:
vituline (i.e., calf-like)
Potts’ Bible Proper Names:
Island of the fish, or of the lamb:―a region of Europe, Acts 18:2. {Insula piscis, vel agni}