X Ōrdō

1. a methodical series, arrangement, or order; regular line, row, or series
2. a class, station, condition, rank
3. a group (of people) of the same class, caste, station, or rank ("vir senatorii ordinis")
4. (military) A rank or line of soldiers; band, troop, company
5. (military) command, captaincy, generalship