CAPTAIN Copy link • CAPTAINcommander, general, dux: imperator (a Roman general who has been saluted imperator by his troops after a victory): praetor (used by Nep. in the sense of general, of Greek commanders, etc.): great captains, qui maximas res in bello gesserunt; qui bellica laude floruerunt; imperatores sommi. Centurio (not ordinum ductor): of a ship, navarchus (ναύαρχος), navis praefectus: of free-booters, latronum or praedonum dux: of pirates, archipirata: a captain of the guard, praetoriae cohortis praefectus.