A pastry made of fried dough soaked in sugar syrup or honey and cinnamon, typically shaped into a ring or ball. (used especially of the Turkish variant of this pastry)
ring doughnut
noun
A doughnut with a hole in the middle, formed in the shape of a ring.
How often have the words lokma and ring doughnut occurred in a corpus of books? (source: Google Ngram Viewer )