Keywords: trapdoor, hatch
Sign Definition
General Definition
                                            1. An object which is flat on top and has a opening flap (also flat), or any thing or any object that is directly or indirectly associated with this, especially a trapdoor or hatch.
                                          
                                          
                                        As a Noun
                                            1.  A small horizontal door in a floor, ceiling, or stage. English = trapdoor.
                                          
                                          
                                        
                                            2.  An opening in a deck of a ship, which is used for people to come on deck or go below, or during loading and unloading cargo. English = hatch.