Chartaque
A chartaque (Ottoman Turkish: چارطاق, from Persian: چهارتاق chahartaq, literally "having four arches"; in German: Tschartake, in Turkish: Çardak) is a watchtower and important element of the fortification systems in the time of the Ottoman Empire. == Construction == The original form, to which the name relates, was built of four logs, but over time chartaques were built in different sizes depending on the number of defending units.