Lewis Short
(adjective) : octāvus, a, um, octo
* The eighth: octava pars,Cic. Att. 15, 26, 4: legio,Caes. B. G. 2, 23: marmor,the eighth mile-stone,Mart. 9, 65, 4.
* Subst.: octāva, ae, f.
* (Sc. hora.) The eighth hour of the day, Mart. 4, 8, 5; Juv. 1, 49.
* Adv.: octāvum, for the eighth time, Liv. 6, 36, 7.
Charlton T. Lewis, Charles Short, A Latin Dictionary