• 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
• noun:   a mark showing the boundary of a piece of land
• noun:   an event marking a unique or important historical change of course or one on which important developments depend
• noun:   the position of a prominent or well-known object in a particular landscape

  Example: "The church steeple provided a convenient landmark"

• name:  A surname (very rare: popularity rank in the U.S.: #82339)

Related words...