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Related to gyro-: Gyro compass
1. Spinning: gyromagnetic.
2. Circle; spiral: gyroplane.
3. Gyroscopic: gyrostabilizer.
[Greek gūro-, circular, from gūros, circle.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
gyro-or before a vowel
1. indicating rotating or gyrating motion: gyroscope.
2. indicating a spiral
3. (General Physics) indicating a gyroscope: gyrocompass.
[via Latin from Greek guro-, from guros circle]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. -ros.
gy•ro2(ˈdʒɪər oʊ, ˈʒɪər oʊ; Gk. ˈyi rɔ)
pressed beef or lamb roasted on a vertical spit, thinly sliced, and usu. served in a sandwich on pita bread.
[1970–75; < Modern Greek gŷros literally, turn, revolution; see gyre]
a combining form meaning “circle, rotation” ( gyromagnetic), “gyroscope” (gyrostabilizer).
[< Greek. gŷros ring, n. use of gȳrós round]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.