Ship

• deck

  Any of various platforms built into a vessel.

• crow's nest

  Platform for a lookout at or near the top of a mast.

• top

  Platform surrounding the head of a lower mast.

Stairway

• landing

  An intermediate platform in a staircase.

• stairhead

  Platform at the top of a staircase.

Also contains

• stage

  A large platform on which people can stand and can be seen by an audience; "he clambered up...

• dock

  A platform built out from the shore into the water and supported by piles; provides access...

• ring

  A platform usually marked off by ropes in which contestants box or wrestle.

• footboard

  A narrow platform on which to stand or brace the feet.

• footplate

  The platform in the cab of a locomotive on which the engineer stands to operate the c...

• rostrum

  A platform raised above the surrounding level to give prominence to the person on it.

• fly gallery

  A narrow raised platform at the side of a stage in a theater; stagehands can work the...

• foretop

  A platform at the head of a foremast.

• turntable

  A circular horizontal platform that rotates a phonograph record while it is being pla...

• turntable

  A rotatable platform with a track; used to turn locomotives and cars.

• dock

  A platform where trucks or trains can be loaded or unloaded.

• catwalk

  Narrow platform extending out into an auditorium; "models displayed clothes on a catwalk...

• stage

  A small platform on a microscope where the specimen is mounted for examination.

• stand

  A platform where a (brass) band can play in the open air.

• pallet

  A portable platform for storing or moving goods that are stacked on it.

• monkey bridge

  A high narrow platform above a deck or in an engine room or boiler room.

• runway

  A narrow platform extending from the stage into the audience in a theater or nightclub e...

• block

  A platform from which an auctioneer sells; "they put their paintings on the block".

• pad

  A platform from which rockets or space craft are launched.

• scaffold

  A platform from which criminals are executed (hanged or beheaded).

• landing stage

  Platform from which passengers and cargo can be (un)loaded.