
1) Type of road 
Found on 
https://www.crosswordclues.com/clue/calade

 Calade is a French term for an harmonious, decorative and useful arrangement of medium-sized pebbles, fixed to the ground. Rue en calade describes a road with a surface composed in this way — essentially a cobblestone road. These are found predominantly in the French region of Provence, and generally in the Mediterranean area. ...
Found on 
http://en.wikipedia.org/wiki/Calade

• (n.) A slope or declivity in a manege ground down which a horse is made to gallop, to give suppleness to his haunches.
Found on 
http://thinkexist.com/dictionary/meaning/calade/
 Ca·lade'  noun
Ca·lade'  noun [ French] A slope or declivity in a manege ground down which a horse is made to gallop, to give suppleness to his haunches. 
Found on 
http://www.encyclo.co.uk/webster/C/6
  No exact match found.