firedoor

English

Etymology

From fire +‎ door.

Noun

firedoor (plural firedoors)

  1. Alternative spelling of fire door.
    • 1944 March and April, E. S. Waterhouse, “Two Footplate Rides on "Merchant Navy" Locomotives”, in Railway Magazine, page 88:
      A treadle operates the firedoor, closing it when the foot is removed.
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