also: ゆいがい
noun
Formal or literary term for a dead body, often used in news reports, official contexts, or solemn descriptions.
警察は山中で遺骸を発見した。
The police discovered a body in the mountains.
遺骸は丁重に扱われた。
The remains were handled with respect.
Sino-Japanese compound of 遺 (leave behind, bequeath) and 骸 (bones, corpse). The reading いがい is the standard on'yomi; ゆいがい is a rare alternative reading.