What was Schiaparelli's original intention behind labeling the features *canali*?

Answer

To describe natural depressions or geological structures.

Schiaparelli's initial terminology was intended only to describe natural depressions or established geological structures on the Martian surface, without implying artificial construction.

What was Schiaparelli's original intention behind labeling the features *canali*?
MarsastronomyobservationplanetCanal