noun. the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
1. Adjective In raw form, a coconut has three layers that include the outer exocarp, the middle mesocarp and the inner endocarp layer. 2. Noun, singular or mass The seed provides abundant endocarp in the form of coconut meat and milk to last it through this period.
