en·do·carp (ěn'də-kärp') n. The hard inner layer of the pericarp of many fruits, such as the pit or stone of a cherry, peach, or olive. en'do·car'pal adj.
endocarp (ěn'də-kärp') Pronunciation Key
The hard inner layer of the pericarp of many fruits, such as the layer that forms the pit or stone of a cherry, peach, or olive. Compare exocarp, mesocarp.