Epispore
Pronunciation : Ep"i*spore
Part of Speech : n.
Etymology : [Pref. epi- + spore.] (Bot.)
Definition : Defn: The thickish outer coat of certain spores.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder