odi profanum vulgus (L.), I loathe the profane rabble.
odium theologicum (L.), the hatred of theologians—of theological controversy.
œil de bœuf (Fr.), a bull's eye.
Œnipons (L.), Innsbruck.
œuvres (Fr.), works.
olim meminisse juvabit (L.), it will sometime be a pleasure to remember [these trials].
Olisipo, Ulyssipo, Ulyssipolis (L.), Lisbon.
omne ignotum pro magnifico (L.), everything unknown [is taken to be] magnificent.
omne tulit punctum qui miscuit utile dulci (L.), he scored every point who combined the useful with the sweet.
omnia mutantur, et nos mutamur in illis (L.), all things change, and we change with them.