pasteboard; board for making rice paste
A flat board used in traditional crafts for kneading or spreading rice paste (糊).
和紙を貼る前に、糊板の上で糊をよく練る。
Before pasting the washi, knead the paste well on the pasteboard.
Compound of 糊 (nori, 'paste') and 板 (ita, 'board').