Main entry: landmark
Definition: 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
Main entry: landmark
Definition: a mark showing the boundary of a piece of land
Main entry: watershed, landmark, turning point
Definition: an event marking a unique or important historical change of course or one on which important developments depend
Usage: the agreement was a watershed in the history of both nations
Main entry: landmark
Definition: the position of a prominent or well-known object in a particular landscape
Usage: the church steeple provided a convenient landmark