gyro

Etymology 1

table Originally a shortening of gyroscope.

noun

1. A gyroscope.
2. A gyrocompass.
3. An autogyro.
4. (cycling) Synonym of detangler.

Etymology 2

table , United States.]] 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.

noun

1. A style of Greek sandwich commonly filled with grilled meat, tomato, onions, and tzatziki sauce.
   I'll have a gyro, please.