A low [[table]] sandwiching a blanket and containing an electrical heating element underneath; with enough space to rest underneath for one or more people, depending on size. It is something of a wintertime necessity for the many Japanese homes that lack proper insulation for central heating systems. 

The consumption of [[mandarin orange|mandarin oranges]] is often a favorite activity of kotatsu users. 

h4. See also

* [[hanten (clothes)]]
* [[under kotatsu]]
* [[chabudai (table)]]

h4. External links

* "Wikipedia: Kotatsu":https://en.wikipedia.org/wiki/Kotatsu
こたつ 炬燵 コタツ