Cotopaxi

Cotopaxi, a volcano of the Andes, in Ecuador, the highest and most active in the world, nearly 20,000 ft., 35 m. SE. of Quito; it rises in a perfect cone, 4400 ft. above the plateau of Quito.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Cotman, John Sell * Cotswold Hills
Costard
Costello, Louisa Stuart
Coster
Cosway, Richard
Côte d'Or
Cotentin
Cotes, Roger
Côtes du Nord
Cotin, the Abbé
Cotman, John Sell
Cotopaxi
Cotswold Hills
Cotta, Caius
Cotta
Cottian Alps
Cottin, Sophie
Cottle, Joseph
Cotton, Bishop
Cotton, Charles
Cotton, Sir Robert Bruce
Coucy