Back-formation from the plural gyros, from Greek γύρος (gýros); from the turning of the meat on a spit (as a calque of Turkish döner into Greek). Doublet of gyre and gyrus.
Meanings
A style of Greek sandwich commonly filled with grilled meat, tomato, onions, and tzatziki sauce.
I'll have a gyro, please.
"Twelve gyro supreme platters, six chicken souvlaki, four more with pork, six dolmas, six mezze platters, six Greek salads, eight baklava, and a side of tzatziki!" he said. 2026, James Patterson and Chris Tebbetts, Dr. Zeus, pages 10-11: