† passing doorsn.MiningObsolete an arrangement of doors in a gallery that enables people to pass through while preventing the free passage of air currents.
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society > occupation and work > workplace > places where raw materials are extracted > mine > [noun] > landing- or passing-place
shamble1671
passing doors1839
pass-by1883
1839 A. UreDict. Arts 989Passing doors..may be substituted in any place for a passage where there is a stopping.