furlong
Pronunciation: /ˈfəːlɒŋ/
Definition of furlong
noun
Origin:
Old English furlang, from furh 'furrow' + lang 'long'. The word originally denoted the length of a furrow in a common field (formally regarded as a square of ten acres). It was also used as the equivalent of the Roman stadium, one eighth of a Roman mile, whence the current sense. Compare with stadium