Natalis aquilae
Birthday of the eagle. military holiday.
Natio
'Nation'. barbarian auxiliary force.
Navis
Ship.
Navis longa
'Longship'. warship.
Navis oneraria
Transport vessel.
Navis praetoria
Flag ship.
Navis speculatoria
Scouting ship.
Nauta
Sailor.
Nauarchus
Ship's captain. naval officer.
Nauclarius
Late Roman marine.
Nobiscum Deus
'God with us'. late Roman/Byzantine battle cry.
Nomen Latinum
'Latin name'. league of Latin allies.
Notae
'Symbols'. short hand writing.
Notarius
Secretary.
Numerarius
Administrative official. clerk.
Numerus
Military unit.
Numerus collatus
Provisional unit.
Numerus peregrinorum
Provisional unit of soldiers based at the castra peregrina at Rome.
Numerus statorum praetorianorum
Unit of praetorian military police.