bord

noun

ˈbȯ(ə)rd

variants or less commonly board

ˈbō(ə)rd 

ˈbȯ-

plural -s

: a straight road or passageway driven at right angles to the main cleavage of the coal in a coal mine

Word History

Etymology

board entry 1; probably from the former practice of laying boards in mine passageways to form a relatively smooth surface along which the coal was dragged in sledges

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