clarum et venerabile nomen (L.), an illustrious and venerable name.
classes aisées (Fr.), the well-off classes.
cœlebs quid agam (L.), being a bachelor, what am I to do?
Cœna Domini (L.), the Lord's Supper.
cogito, ergo sum (L.) I think, therefore I am [Descartes' fundamental basis of philosophy].
coiffeur (Fr.), a hairdresser.
collectanea (L.), passages collected from authors.
Coma Berenices (L.), an asterism between Boötes and Leo, representing the amber hair of Berenice, wife of Ptolemy Euergetes.
Comédie Française, La (Fr.), the official name of the subsidised Théâtre Français.
comédie humaine (Fr.), the name applied to the collection of Balzac's novels, planned to form a complete picture of contemporary society.