pericarp
Concise Oxford English Dictionary © 2008 Oxford University Press:
pericarp/ˈpɛrɪkɑːp/
▶noun Botany the part of a fruit formed from the wall of the ripened ovary.
– origin C17: from Fr. péricarpe, from Gk perikarpion ‘pod, shell’, from peri- ‘around’ + karpos ‘fruit’.
'pericarp' also found in these Oxford entries:

