polestar
/ˈpoʊlstɑr/Definitions
1. noun
a star that is considered to be at the zenith of the celestial sphere at a particular location and time, especially the North Star.
“The hikers relied on the polestar to navigate their way through the dense forest.”
2. noun
a star that is the dominant or most prominent star in a constellation.
“The polestar of the galaxy is an incredibly massive star that is visible from millions of light-years away.”
3. noun
a guiding or directing influence.
“Her ambition served as a polestar for the entire team, inspiring them to work harder.”