en·​do·​carp | \ˈen-də-ˌkärp \

Definition of endocarp 

: the inner layer of the pericarp of a fruit (such as an apple or orange) when it consists of two or more layers of different texture or consistency

Illustration of endocarp

Illustration of endocarp

endocarp (cross section of a cherry): 1 exocarp, 2 mesocarp, 3 endocarp, 4 seed; 1, 2, and 3 together form the pericarp

First Known Use of endocarp

1830, in the meaning defined above

History and Etymology for endocarp

French endocarpe

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The first known use of endocarp was in 1830

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