The Collaborative International Dictionary
                    Epispore
                    
                        
                
                                                                    Epispore \Ep"i*spore\, n. [Pref. epi- + spore.] (Bot.) The thickish outer coat of certain spores. [1913 Webster] ||
Wiktionary
                    epispore
                    
                        
                
                                                                    n. (context botany English) The thickish outer coat of certain spores.