chiesa libera in libero stato (It.), a free church in a free state [Cavour's recipe for Italy].
chi tace confessa (It.), he who keeps silence confesses.
chronique scandaleuse (Fr.), a record of scandals.
ci-devant (Fr.), before this, former, heretofore.
ci-gît (Fr.), here lies.
cingulum Veneris (L.), the girdle of Venus.
circuitus verborum (L.), a circumlocution.
circulus in probando (L.), arguing in a circle, using the conclusion as one of the arguments.
cito (L.), quickly.
clarior e tenebris (L.), the brighter from the darkness.