Keywords: double, pair
Sign Definition
As a Noun
                                            1. Two things that are the same size and shape and are intended to be used together. English = pair.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Of something, to become twice as large as it was before. English = double.
                                          
                                          
                                        
                                            2.  Of something, to be twice its normal size. English = (be) double.
                                          
                                          
                                        
                                            3.  Of something, to consist of two things of the same kind or to be something, for example a bed, that is intended to be used by two people. English = (be) double.
                                          
                                          
                                         
                  
                      