We don't have synonyms for octavius yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are octavian, octarius and octapus.
(n) :
A male given name from Latin, in occasional use.
(n) :
(historical) Alternative form of octarius (the pint (eighth of a gallon) in the apothecaries' system) [(historical) The pint (eighth of a gallon) in the apothecaries' system.]
(n) :
A male given name from Latin, in occasional use.
(n) :
(historical) Alternative form of octarius (the pint (eighth of a gallon) in the apothecaries' system) [(historical) The pint (eighth of a gallon) in the apothecaries' system.]