Last Updated：2025/11/29
(nautical) A small board hung near the helmsman, having the points of the compass marked on it, and for each point as many holes as there are half hours in a watch. It was used for recording the courses made by the ship in each half hour, by putting a peg in the corresponding hole.
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traverse board
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Source Word
traverse board
Noun
Japanese Meaning
航海用具として、舵手の近くに掛けられた小型の板で、羅針盤の方位が表示され、各半時計の時間帯を示すための穴が配置され、船の各半時間ごとの航路を記録するために使用された器具
（ plural ）
