cutis

US /ˈkjuː.t̬ɪs/
UK /ˈkjuː.t̬ɪs/
1.

cutis

the layer of skin under the epidermis (= the thin outer layer of skin), used in the names of some medical conditions:

:
The ancient anatomists divided the skin into two parts or layers, the inner being called the cutis or dermis, and the outer the cuticle or epidermis.