noun
cutting guide board for noodles
A board used as a guide when cutting noodles, especially soba or udon, to ensure uniform thickness.
そば打ちのとき、小間板を使って麺を均一に切る。
When making soba, I use a cutting guide board to cut the noodles evenly.
Compound of 小間 (こま, small space/interval) and 板 (いた, board). The exact historical derivation is uncertain, but the term refers to a board used to guide cutting into small, regular intervals.