The Roman Army A to Z: orbis

orbis (m. pl. orbes)

Literally ‘a ring’, a circular battlefield formation, also used for protection for the baggage train and standards when constructing fortifications. Aul. Gell. 10.9.1; Caes., BG 5.33.3; Tac., Ann. 2.11; Veg., DRM 3.8. See also globus [Cowan 2007]

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