Definition:Imperial/Length/Furlong

Definition

The furlong is an imperial unit of length.

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furlong

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$\ds 10$

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$\ds 40$

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$\ds 220$

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$\ds 660$

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The word furlong derives from the old English furh lang, meaning furrow long.

The terms arise from the days of ploughing in mediaeval times.

The furlong was the length of a single furrow, which stretched the whole length of one of the acres into which the land was divided.