office
praefectus
prefect
A prefect: an officer placed in charge of auxiliary troops, cavalry, or a special command, often appointed personally by the general.
Reading notes
- De Bello Civili §2.42.3 prefect of cavalry
An officer set in charge of a detachment, garrison, or arm such as the cavalry.
- De Bello Gallico §1.39.2 prefects
Officers placed over auxiliaries, cavalry, or special commands, frequently appointed by the general from his own circle.