gy·ro¹ (jī'rō)
n., pl., -ros.

1. A gyroscope.
2. A gyrocompass.

gy·ro² (jī'rō, jē'-, yē'-)
n., pl., -ros.
A sandwich made usually of sliced roasted lamb, onion, and tomato on pita bread.

[From Modern Greek guros, a turning, from Greek gūros, circle (from the turning of the meat on a spit).]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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