| Noun | 1. | platen - work table of a machine tool table - a piece of furniture having a smooth flat top that is usually supported by one or more vertical legs; "it was a sturdy table" |
| 2. | platen - the flat plate of a printing press that presses the paper against the type plate - a sheet of metal or wood or glass or plastic | |
| 3. | platen - the roller on a typewriter against which the keys strike roller - a cylinder that revolves |