[{"Bold_text": "noun", "List Items": ["Nautical.any of various wall-like constructions inside a vessel, as for watertight compartments, subdividing space, or strengthening the structure.", "Aeronautics.a transverse partition or reinforcing frame in the body of an airplane.", "Civil Engineering.a partition built in a subterranean passage to prevent the passage of air, water, or mud.a retaining structure of timber, steel, or reinforced concrete, used for shore protection and in harbor works.", "a partition built in a subterranean passage to prevent the passage of air, water, or mud.", "a retaining structure of timber, steel, or reinforced concrete, used for shore protection and in harbor works.", "Building Trades.a horizontal or inclined outside door over a stairway leading to a cellar.a boxlike structure, as on a roof, covering a stairwell or other opening.", "a horizontal or inclined outside door over a stairway leading to a cellar.", "a boxlike structure, as on a roof, covering a stairwell or other opening."]}]