[noun] the position of a prominent or well-known object in a particular landscape; "the church steeple provided a convenient landmark"
[noun] 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
[noun] a mark showing the boundary of a piece of land
[noun] 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
