The Collaborative International Dictionary of English v.0.48:
Endocarp \En"do*carp\, n. [Endo- + Gr. ? fruit: cf. F. endocarpe.] (Bot.) The inner layer of a ripened or fructified ovary. [1913 Webster]WordNet (r) 3.0 (2006):
endocarp n 1: the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed; "you should remove the stones from prunes before cooking" [syn: stone, pit, endocarp]