A chelengk () () was a decoration of the Ottoman Empire. Originally a çelenk was "a bird's feather which one attaches to the turban as a sign of bravery" but by the end of the 18th century, the had become institutionalized in Ottoman military practice and continued to be awarded for military merit up to the 1820s. It was a jewelled aigrette consisting of a central flower with leaves and buds, and upward-facing rays. In modern Turkish, a is a wreath or garland, a circular decoration made from flowers and leaves, usually arranged as an ornament.