Keywords: jack, jack up
Sign Definition
General Definition
                                            1. The action of holding onto a bar or pole-like object, which is more or less horizontal, such as the arm of a water pump, and pushing it repeatedly up and down, or any action or any thing directly or indirectly related to this, especially a car jack.
                                          
                                          
                                        As a Noun
                                            1.  A mechanical device that is used to lift a heavy object, especially a car, off the ground. English = jack.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To lift a heavy object, especially a car, off the ground by using a special mechanical device. English = jack up.