under-skinn.
Origin: Formed within English, by derivation. Etymons: under- prefix1, skin n.
Etymology: < under- prefix1 + skin n.
the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > other parts or portions
1653 R. Saunders Pref. sig. A4v Open it [sc. a peony], and take the flowers forth from that rinde or underskin, which represents the brain pan.
This entry has not yet been fully updated (first published 1921; most recently modified version published online March 2022).