骸
ガイ, カイ, むくろ

bone, body, corpse

JLPT0 G7 S16 F5000

As per 亥# (stretched taut) + 骨 bone → taut, skeletonized *body* → *bone(s)*; *skeleton*; *corpse*. Also, *framework* (← skeleton as the bony framework of the body).

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