The Roman Army A to Z: centuria

centuria (f. pl. centuriae)

1. A sub-unit of a cohors, originally 100 (and fossilised in Veg., I 2.8), but by the time of the Principate, only 80 milites. (DMC 1). It comprised ten contubernia, a centurio, an optio, and a signifer. 2. By extension, a barrack block intended to house 1 (RIB 334). [Keppie 1984]

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