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
a mark showing the boundary of a piece of land
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"
the position of a prominent or well-known object in a particular landscape; "the church steeple provided a convenient landmark"
a raised horizontal surface; "the speaker mounted the platform"
any military structure or vehicle bearing weapons
the combination of a particular computer and a particular operating system
a document stating the aims and principles of a political party; "their candidate simply ignored the party platform"; "they won the election even though they offered no positive program"