look of death; shadow of death
Refers to a deathly appearance on a living person's face, suggesting imminent death. Often used in expressions like 死相が出る or 死相が浮かぶ.
A look of death was on his face.
face of a dead person
Rarely used; the more common term is 死に顔. This sense may appear in older or literary contexts.
See also: 死に顔
To prepare the face of the deceased, the bereaved family wiped the person's face.
Compound of 死 (death) and 相 (appearance, aspect). The exact historical derivation is uncertain, but the meaning is transparent from the kanji.