The Collaborative International Dictionary
Endopleura
Endopleura \En`do*pleu"ra\, n. [NL., fr. Gr. ? within + ? rib, side. See Pleura.] (Bot.) The inner coating of a seed. See Tegmen.
Wiktionary
endopleura
n. (context botany English) The inner coating of a seed; the tegmen.