Precious metal, especially silver.

(obsolete) Silver or gold, in the form of a coin, or less often silver or gold utensils or dishes. / (heraldry) A roundel of silver or argent.

A raised stage from which speeches are made and on which musical and other performances are made. / A raised floor for any purpose, e.g. for workmen during construction, or formerly for military cannon.

(transitive) To furnish with or shape into a platform / (transitive) To place on, or as if on, a platform. / (rail transport) To place a train alongside a station platform.

Of or relating to the ancient Greek philosopher Plato or his philosophies. / Alternative letter-case form of platonic (non-sexual).

A Platonist; a follower of Plato's ideas. / A Platonic solid.

The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive, silverish-white transition metal of great value. / A whitish grey colour, like that of the metal.

Of a whitish grey colour, like that of the metal. / Of a musical recording that has sold over one million copies (for singles), or two million (for albums). / Very expensive, or of very high quality

(computer games) to reach platinum level in a game

(geometry) Any of five convex polyhedra with congruent regular polygonal faces, which have a high degree of symmetry and have been studied since antiquity.