landmark

Meanings

Noun

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

Synonyms

turning point, watershed