1. 
   parentheses
   See left parenthesis, right parenthesis. (1997-12-03)
   Found op http://foldoc.org/parentheses
   
   
2. 
   Parentheses
   • (pl. ) of Parenthesis
   Found op http://thinkexist.com/dictionary/meaning/parentheses/
   
   
3. 
   parentheses
   1) 90
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/parentheses/1
   
   

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