(computing) Of software, etc., designed to work on various operating systems. / (rail transport) That takes place between two trains in different platforms, usually across an island platform.

plural of platform ticket

(rail transport, historical) A ticket giving a non-traveller access to a railway station platform.

An American racquet sport derived from tennis, played in an enclosed area, with players permitted to bounce the ball off the outer walls.

A glider (rocking chair)

(software) written specifically for a software platform that obstructs the layer below

(computing) Of software, etc., designed to work on only one operating system.

(computing) cross-platform

(rail transport) A railway platform which has tracks on both sides.

An elevated or elevating platform, usually portable, used for carrying out work in normally unreachable locations.