Episperm

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]



From WordNet (r) 2.0 [wn]:

  episperm
       n : protective outer layer of seeds of flowering plants [syn: {testa},
            {seed coat}]