居処
Meanings
1
one's seat; one's place
archaic
Archaic noun for one's seat or place where one sits. Not used in modern Japanese; encountered only in classical texts.
In classical language, 居処 was read いど and referred to the place where one sits.
2
archaic
Archaic noun for the buttocks. Extremely rare; modern Japanese uses 尻 (しり) or 臀部 (でんぶ).
Examples where 居処 means buttocks are limited to old documents.