'Imperial' in the Bible
The gates or dams of the rivers [surrounding and guarding Nineveh] are opened and the [imperial] palace [of sun-dried brick] is dissolved [by the torrents] and is in dismay.
Having read the letter, he asked to what province [Paul] belonged. When he discovered that he was from Cilicia [an imperial province],
Now when it was determined that we [including Luke] should sail for Italy, they turned Paul and some other prisoners over to a centurion of the imperial regiment named Julius.