noun
square wooden frame for a kotatsu
A low, square, latticed wooden frame placed over a kotatsu heater, often used as a table or to support a futon.
See also: 櫓 (やぐら)
冬になると、炬燵やぐらを出してこたつを準備する。
When winter comes, we take out the kotatsu frame and set up the kotatsu.
Standard spelling using 炬燵 for kotatsu and kana for やぐら.
Full kanji spelling; 櫓 can also be read ろ, so the kana form is clearer.
Compound of 炬燵 (こたつ, 'kotatsu') and やぐら ('wooden frame, turret'). The exact historical derivation is uncertain, but the term describes the latticed frame used with a traditional kotatsu.