noun
vetala; corpse demon; ghoul
A Buddhist supernatural being that inhabits or animates corpses; often translated as vetala, corpse demon, or ghoul. Domain-specific religious term.
仏教説話には屍鬼が登場する。
Vetalas appear in Buddhist legends.
屍鬼は死体に取り憑く鬼の一種とされる。
A shiki is considered a type of demon that possesses corpses.
From Buddhist terminology; the kanji 屍 (corpse) and 鬼 (demon) directly describe the entity. The reading しき is the on'yomi.