I. ˌ ̷ ̷ ̷ ̷ˈ ̷ ̷mə̇s noun
Etymology: New Latin, from hypo- + -dermis
1. : the tissue immediately beneath the epidermis of a plant especially when lignified, suberized, or otherwise modified to serve as a supporting and protecting layer
2.
a. : hypoblast
b. : the cellular layer that underlies and secretes the chitinous cuticle of arthropods and some other invertebrates
II. noun
: superficial fascia