noun
gyrocompass
A navigational instrument that uses a gyroscope to find true north, commonly used on ships and aircraft.
船のジャイロコンパスが故障した。
The ship's gyrocompass broke down.
ジャイロコンパスは磁気コンパスより正確だ。
A gyrocompass is more accurate than a magnetic compass.
A general compass, often magnetic. ジャイロコンパス specifically uses a gyroscope.
Loanword from English 'gyrocompass'.