Nautical. A thin wooden board attached to the end of the log-line used determine a ship's speed in knots, typically having the form of a quadrant…
| 单词 | θ206017 |
| 释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > device to ascertain ship's speed through water > line of > piece of wood at end (3) chip1824 Nautical. A thin wooden board attached to the end of the log-line used determine a ship's speed in knots, typically having the form of a quadrant… log-ship1841 also log-chip (see quot.). log-chip1846 = log-ship n. |
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