card or paper with a printed, drawn or painted compass rose, usually carried above the magnetic needle of a compass.
Part of a compass, the card is graduated in degrees, to conform with the magnetic meridian-referenced direction system inscribed with direction which remains constant; the vessel turns, not the card.
Navigation Compass rose Navigation
Part of a compass; the circular card graduated in degrees. It is attached to the compass needles and conforms with the magnet meridian-referenced direction system inscribed with direction. The vessel turns not the card.