防ぼう火か扉とびら

noun

fire door; fire shutter

A door or shutter designed to prevent the spread of fire, often used in buildings. The cross-reference 防火戸 is a broader term that includes fire doors and fire shutters.

See also: 防火戸

• この建たて物ものには防ぼう火か扉とびらが設せっ置ちされています。

  This building is equipped with fire doors.

• 火か災さい時じには防ぼう火か扉とびらが自じ動どう的てきに閉しまります。

  In the event of a fire, the fire doors close automatically.