noun
Usage: often attributive
Etymology: Middle French plate-forme diagram, map, literally, flat form
Date: 1535
plan , design , a declaration of the principles on which a group of persons stands,
3. a. a usually raised horizontal flat surface, a device or structure incorporating or providing a platform, a place or opportunity for public discussion,
4. a usually thick layer (as of cork) between the inner sole and outer sole of a shoe, a shoe having such a sole,
5. a vehicle (as a satellite or aircraft) used for a particular purpose or to carry a usually specified kind of equipment, operating system