A title given to the Roman emperors, and equivalent to sacrosanctus.
It is rendered into Greek by the term Σεβαστός
liii. 16). The feminine form, Augusta, was often given to the women of the imperial family,
like the modern titles “Royal Highness” and “Imperial
Highness.” Under Diocletian, the appellation, Augustus, was definitely applied to
the two joint emperors, and the title, Caesar, to each of the heirspresumptive. See Dominus