Entry 1 sense Webster, 1913 Pericarp · Per·i·carp · IPA /ˈpɛɹɪˌkɑɹp/ 01 n. The ripened ovary; the walls of the fruit. See Illusts. of Capsule, Drupe, and Legume. 1. The ripened ovary; the walls of the fruit. See Illusts. of Capsule, Drupe, and Legume.(Bot.) See: Capsule, Drupe, Legume