Keywords: doubles, pairs, double
Sign Definition
As a Noun
                                            1.  A game of tennis, badminton, or any other game, when two people play against two other people. English = doubles, pairs.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To make the amount or size of something twice as large. English = double.
                                          
                                          
                                         
                  
                      