Found 2 items, similar to episperm.
English → English (WordNet) Definition: episperm episperm n : protective outer layer of seeds of flowering plants [syn: testa, seed coat]
English → English (gcide) Definition: Episperm Episperm \Ep"i*sperm\, n. [Pref. epi- + Gr. ? seed: cf. F. ['e]pisperme.] (Bot.) The skin or coat of a seed, especially the outer coat. See Testa. [1913 Webster]