ar·il·lode \ˈarəˌlōd\noun orar·il·lo·di·um\ˌarəˈlōdēəm\ (-s) Etymology:arillode from aril + -ode; arillodium from New Latin, from arillus + -odium (from -odes -ode — from Greek -ōdēs — + -ium) : a false aril : an aril originating from tissue in the region of the micropyle instead of from the funicle or chalaza of the ovule