[ jahy-roh-kuhm-puh s ]
/ ˈdʒaɪ roʊˌkʌm pəs /


a navigational compass containing a gyroscope rotor, that, when adjusted for the latitude and speed of the vessel or aircraft, indicates the direction of true north along the surface of the earth or communicates this information to one or more gyro repeaters.

Origin of gyrocompass

First recorded in 1905–10; gyro(scope) + compass
Also called gyrostatic compass. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for gyrocompass

/ (ˈdʒaɪrəʊˌkʌmpəs) /


nautical a nonmagnetic compass that uses a motor-driven gyroscope to indicate true northSometimes shortened to: gyro
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012