noun
face of a dead person; death mask
Refers to the facial expression or appearance of someone who has died. Often used in solemn or literary contexts.
See also: 生き顔
彼の死に顔は安らかだった。
His dead face looked peaceful.
死に顔を整える。
To arrange the face of the deceased.
生き顔 refers to the face of a living person, often used in contrast to 死に顔.
Compound of 死に (continuative form of 死ぬ 'to die') + 顔 'face'.