Originally a gargoyle was a water spout, mounted on the eave and directing water away from a building so that the water would not erode the mortar. If a stone carving carries no water and has a face or resembles a creature, these are technically called grotesques.
The Gargoyles of Notre Dame
The Gargoyles of Notre Dame are located in a kind of balcony from one tower to another, these gargoyles seem to be overlooking the city, because from there the view is wonderful. With their monstrous heads, were made by the architect Viollet-Le-Duc and stand together with the two bell towers and rose window in the main entrance.
The gargoyle (or gargolis garguglia ) is the terminal part of the drain gutters (erroneously called gutters) and often adorned with animal figures, fantastic or monstrous, like a drip lion heads of the Greek temples. It is found in many Christian churches and cathedrals, but also of civil buildings (such as municipalities) of the medieval period. In Italian garguglia can be considered synonymous with gargoyle, though sometimes a bit ‘improperly, with the name of gargoyle (or more often gargoyle, English) is the fantastic figure indicates that it does not necessarily have to function gargoyle; vice versa gargoyles commonly understood not always have sculpted figures.