Carpet Knight. A civilian honoured with a knighthood by the sovereign. One who has not won his spurs on the field, like the knights of old.
Carry Coals to Newcastle. To do that which is altogether superfluous. It would be ridiculous to take coals to a place where they are found in abundance.
Cartaret Street. After John Cartaret, Earl of Granville, Secretary of State, and one of the most popular ministers of the reign of George II.
Carte de Visite. Photographs received this name because the Duc de Parma in 1857 had his likeness printed on the back of his large visiting-cards.
Carthage. From the Phœnician Karth-hadtha, New Town.
Carthagena. From Carthago Novo, or New Carthage.
Carthusians. Monks of La Chartreuse, near Grenoble. This name is also given to former scholars of the “Charter House.”
Carthusian Street. Although some distance to the west of it, this street leads to the “Charter House.”
Caspian Sea. From the Caspii, who peopled its shores.
Castile. In Spanish Castilla, from the castles or forts set up for defence against the Moors.