odēum, ī, n., a public building designed for musical performances, odeon.
odium, ī [odī, to hate], n., hatred, aversion.
odor, ōris, m., odor, stench.
Oenomaus, ī, m., a leader of the gladiators who revolted with Spartacus.
offēnsa, ae, f., disfavor, offense, hatred, enmity.
offerō, see ferō.
officium, ī [opus + faciō], n., service, favor; duty, office.
Ogulnius, ī, m., Q. Ogulnius, consul 269 B.C.
olim [ole, old form of ille], adv., formerly.
Olympias, adis, f., an Olympiad, the space of four years intervening between the games at Olympus. The period was used in assigning dates, the first Olympiad beginning in 776 B.C.