Roman Military Terms

Beneficiarius praefecti praetorio	Soldier serving on the staff of the praetorian prefect
Beneficiarius praefecti proconsulis	Soldier serving on the staff of the governor appointed by the senate
Cornicularius praefectorum praetorio	NCO supervising administrative staff of praetorian prefects
Cornicularius procuratoris Augusti	NCO at head of imperial procurator's administrative staff
Exercitator equitum praetorianorum	Training officer of the praetorian horsemen
Exercitator militum frumentariorum	Instructor of the soldiers of the military intelligence service
Lectus in sacro comitatu lanciarius	Picked out for service as javelineer in imperial field army
Praefectus legionis agens vice legati	Prefect of the legion acting in place of the legate'; equestrian acting legionary commander
Princeps ordinarius vexillationis	Centurion in command of a detachment
A balneis (LA)	In charge of baths
A copiis militaribus (LA)	In charge of military supplies'; imperial secretary responsible for military expenses
A rationibus (LA)	In charge of accounts'; imperial secretary responsible for the treasury
A rationibus castrensis (LA)	Camp accounting secretary'; official responsible for accounting supplies and provisions
Ab actis (LA)	In charge of acts'; clerk
Ab epistulis (LA)	In charge of letters'; imperial secretary responsible for military promotions
Absentia rei publicae causa (LA)	Absence on behalf of the state; military service meant that most types of legal action against a soldier were frozen until his discharge
Accensus (LA)	Reservist'; light legionary infantry soldier
Acceptarius (LA)	Discharged soldier
Acceptum (LA)	Amount received by soldier after deductions from his pay
Acies (LA)	Battle line
Acies duplex (LA)	Double battle lines
Acies triplex (LA)	Triple battle lines
Aclis (LA)	Javelin
Actarius (LA)	Clerk
Ad pila et spathas (LA)	Close quarter combat
Ad signa (LA)	With the standards'; present with unit