noun, noun or participle which takes 'suru', intransitive verb
Formal or medical term for lying flat, often used in clinical or descriptive contexts.
患者はベッドに平臥している。
The patient is lying flat on the bed.
noun, noun or participle which takes 'suru', intransitive verb
being laid up; being ill in bed
Used when someone is confined to bed due to illness or injury; carries a nuance of prolonged bed rest.
彼は風邪で三日間平臥していた。
He was laid up in bed for three days with a cold.