From Wiktionary, the free dictionary
Compare French carre and carreau.
cârro m (plural cârros) (ORB, broad)
- tile
- pane of glass
- brick
- carreau in DicoFranPro: Dictionnaire Français/Francoprovençal – on dicofranpro.llm.umontreal.ca
- cârro in Lo trèsor Arpitan – on arpitan.eu