い入iれreもの物mono
1.
An object designed to hold or store other items, often used for carrying or organizing various materials.
2.
A vessel or receptacle that serves the purpose of enclosing or supporting contents, which can be made of various materials.
3.
A specialized item used in funeral practices, referring to a coffin as a euphemism.
Example:
眼窩とは、目をいれている骨のいれもののことです。