gyro

Noun gyro has 2 senses

• gyro(n = noun.food) - a Greek sandwich: sliced roast lamb with onion and tomato stuffed into pita bread;
has parts: pita, pocket bread
is a kind of sandwich

• gyro(n = noun.artifact) gyroscope - rotating mechanism in the form of a universally mounted spinning wheel that offers resistance to turns in any direction;
is a part of gyrocompass, gyrostabiliser, gyrostabilizer
is a kind of rotating mechanism