Keywords: ambulance
Sign Definition
As a Noun
                                            1.  A vehicle for taking people to or from hospital. English = ambulance.
                                          
                                          
                                        
                                            2.  An alarm or siren, usually attached to the top of a vehicle, that consists of a rotating and/or flashing light, with or without an audible alarm.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Of a visual alarm or siren, especially one on top of a vehicle such as an ambulance, to rotate and flash.
                                          
                                          
                                         
                  
                      