A simple building used for storing farm equipment, tools, or goods; not a livestock barn.
He built a barn next to the field.
Old farm tools are stored in the farmer's shed.
We cleaned out the outbuilding and use it as a storeroom.
I put the farm tools away in the barn.
倉庫 is a larger warehouse used for commercial or bulk storage, whereas 納屋 is a small farm shed for tools and goods.
小屋 is any small, simple hut or shack, while 納屋 specifically denotes a farm storage building.
Standard kanji spelling for a storage barn or shed.
Compound of 納 (storage) and 屋 (building). The exact historical derivation is straightforward; the word has been used for storage sheds since at least the Edo period.