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]