fascia

US /ˈfæʃ.ə/
UK /ˈfæʃ.ə/
"fascia" picture
1.

a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, encloses, and separates muscles and other internal organs

:
The surgeon carefully cut through the fascia to reach the muscle.
Myofascial release therapy targets tight areas in the fascia.
2.

a flat board or other surface covering the ends of rafters or other fittings, typically under a roof

:
The painter carefully applied a fresh coat of paint to the wooden fascia.
Damaged fascia boards can lead to water damage in the roof structure.