A mechanical device consisting of two concentric rigs which are so pivoted that a compass, or other device, remains horizontal irrespective of the roll or pitch of the vessel.
Sisixhobo zobugcisa esenziwa zizazulu ezimbini ezixhotyiswe ngeemasti zokuxhasa iseyile ezidityaniswe kwikhampasi, okanye kwesinye isixhobo, esithe tyaba ngokungakhethi ukusongwa okanye ibala lenqanawa.