1. Gallio - Noun
2. Gallio - Proper noun
Gallio (plural Gallios)
(dated) A careless, easygoing man who keeps himself free from trouble and responsibility.
Gallio
A town in Vicenza, Italy.
But when Gallio was proconsul of Achaia, the Jews made a united attack on Paul and brought him before the tribunal, saying, “This man is persuading people to worship God contrary to the law.” Source: Internet
The reference in Acts to Proconsul Gallio helps ascertain this date (cf. Source: Internet