landmark meaning and definition

LANDMARK noun

Definition of landmark (noun)

1. the position of a prominent or well-known object in a particular landscape
   • "the church steeple provided a convenient landmark"
2. an event marking a unique or important historical change of course or one on which important developments depend
   • "the agreement was a watershed in the history of both nations"
   • synonyms: turning point, watershed
3. a mark showing the boundary of a piece of land
4. an anatomical structure used as a point of origin in locating other anatomical structures (as in surgery) or as point from which measurements can be taken