Keywords: trampoline
Sign Definition
General Definition
                                            1. The act of jumping up an down on a surface, or any action or thing directly or indirectly associated with this, especially a trampoline.
                                          
                                          
                                        As a Noun
                                            1.  An apparatus on which you can do acrobatic jumps. It consists of a large piece of strong cloth held by springs in a frame. English = trampoline.