casing
🇺🇸
/ˈkeɪsɪŋ/
🇬🇧
/ˈkeɪsɪŋ/
The outer covering or shell of something, like a protective layer.
The casing of the old building was damaged, so they decided to replace it.
古い建物の外装が損傷していたので、彼らはそれを交換することを決めた。