buttock in Japanese
buttock in Japanese
尻
(usually, in the plural) Each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum, and the top of the legs.
臀部
(usually, in the plural) Each of the two large fleshy halves of the posterior part of the body between the base of the back, the perineum, and the top of the legs.