noun
mortuary makeup; funeral makeup
Makeup applied to a deceased person for the funeral or wake, to make them look peaceful.
葬儀社の人が故人に死化粧を施した。
The funeral home staff applied mortuary makeup to the deceased.
General term for makeup for living people; 死化粧 is specifically for the deceased.
Compound of 死 (し, 'death') and 化粧 (けしょう, 'makeup').