Meaning of 一齣駒 in Japanese

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Definition of 一齣駒

ひとこま(hitokoma) 【一齣 ·一こま ·一駒】

ひとくさり(hitokusari) 【一くさり ·一齣 ·一闋】

こま(koma) 【駒】

(n) piece (in shogi, chess, etc.)
僕はボードの上の駒を一つ前に進めた。
I moved a chess piece on the board one forward.
horse; foal
bridge (of a violin, etc.)