an enclosing framework on casters or wheels; helps babies learn to walk 
                                                            
                                                     
                        
                                                
                        
                        
                            wheeled vehicle that can be pushed by a person; may have one or two or four wheels; "he used a handcart to carry the rocks away"; "their pushcart was piled high with groceries" 
                                                            
                                                     
                        
                                                
                        
                        
                            a very small gasoline powered vehicle consisting mainly of a frame, four wheels, power plant and operator's seat