noun, plural pie·ro·gi, pie·ro·gies. Eastern European Cookery.
a small dough envelope filled with mashed potato, meat, cheese, or vegetables, crimped to seal the edge and then boiled or fried, typically served with sour cream or onions.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
1854, from Yiddish, from Russian, plural of pirog "pie," perhaps borrowed from the Turkic language of the Kazan Tatars (cf. Turkish borek).
Online Etymology Dictionary, © 2010 Douglas Harper