遺骸

1. Origins, structure, and basic meaning

• Structure: In 遺骸 (いがい), remaining 遺 and body 骸 combine to denote bodily remains.
• Basic usage: 遺骸 is a relatively formal word for the bodily remains of a dead person or animal.

2. Common pitfalls and similar expressions

• Remains of the dead
  • Its scope differs from 肉体, which can refer to a living physical body.