
1) French word used in English 2) Part of a typewriter 3) Press part 4) Roller for the Underwood 5) Roller on a typewriter 6) Table 7) Typewriter component 8) Typewriter part 9) Typewriter roller 10) Work table of a machine tool 
Found on 
https://www.crosswordclues.com/clue/platen

- work table of a machine tool
- the flat plate of a printing press that presses the paper against the type
- the roller on a typewriter against which the keys strike
Found on 

 A platen (or platten) is typically a flat metal (or earlier, wooden) plate pressed against a medium (such as paper) to cause an impression in letterpress printing. Platen may also refer to a typewriter roller which friction-feeds paper into position below the typebars or print head. ==Other applications== ===Office equipment=== In office copiers a...
Found on 
http://en.wikipedia.org/wiki/Platen

• (n.) Hence, an analogous part of a typewriter, on which the paper rests to receive an impression. • (n.) The movable table of a machine tool, as a planer, on which the work is fastened, and presented to the action of the tool; -- also called table. • (n.) The part of a printing press which presses the paper against the type and by ...
Found on 
http://thinkexist.com/dictionary/meaning/platen/

The large metal plates the mold attaches to on a plastic molding machine.
Found on 
http://www.blowmachines.com/glossary1.htm

Small letterpress that holds plate and paper parallel to each other. (Also known as a clam shell because of its opening and closing motion.) 
Found on 
http://www.encyclo.co.uk/local/20829

The glass scanning region on a flatbed scanner
Found on 
http://www.encyclo.co.uk/local/21048
 Plat'en  noun
Plat'en  noun [ French 
 platine , from 
 plat flat. See 
 Plate , and confer 
 Platin .] 
 (Machinery)  (a)  The part of a printing press which presses the paper against the type and by which the impression is made. 
 (b)  Hence, an analogous part of a typewriter, ...
Found on 
http://www.encyclo.co.uk/webster/P/102

The glass scanning region on a flatbed scanner. 
Found on 
http://www.rodsmith.org.uk/photographic%20glossary/rods%20photographic%20gl

[
n] - work table of a machine tool 2. [n] - the flat plate of a printing press that presses the paper against the type 3. [n] - the roller on a typewriter against which the keys strike
Found on 
http://www.webdictionary.co.uk/definition.php?query=platen

 Formerly common name in Austria (especially Lower Austria) for a large vineyard.
Found on 
https://glossary.wein.plus/platen
 noun
 noun the roller on a typewriter against which the keys strike
Found on 
https://www.encyclo.co.uk/local/20974

The glass surface of a flatbed scanner on which reflective art is placed for scanning.
Found on 
https://www.xrite.com/learning/other-resources/glossary
  No exact match found.