nōnāgēnārĭus
a, um, adj.
I.
that contains or consists of ninety.
I.
In gen.: nonagenarius motus stellae Martis, Plin. 2, 15, 12, § 60: fistula, Front. Aquaed. 60.—
II.
In partic., as subst.: nōnā-gēnārĭus, i, m., a commander of ninety men, Inscr. Orell. 3628; cf. Veg. Mil. 2, 8.—
III.
Ninety years old, Vulg. Gen. 17, 17.