Fleeting; lasting but a short time; -- applied particularly to organs or parts which are short-lived as compared with the life of the individual.
                                                            
                                                     
                        
                                                
                        
                        
                            enduring a very short time; "the ephemeral joys of childhood"; "a passing fancy"; "youth's transient beauty"; "love is transitory but at is eternal"; "fugacious blossoms" 
                                                            
                                                     
                        
                                                
                        
                        
                            fleetin', transito'y; difficult t'capture.