nōnāgēnārius, a, um, adj. nonageni, that contains or consists of ninety. In gen.: nonagenarius motus stellae Martis, ninety degrees distant from the sun, Plin. 2, 15, 12, ยง 60: fistula, made of a sheet of lead ninety inches wide, Front. Aquaed. 60.
— In partic., as subst.:
nōnā-gēnārius, i, m., a commander of ninety men, Inscr. Orell. 3628; cf. Veg. Mil. 2, 8.
— Ninety years old, Vulg. Gen. 17, 17.