| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a fool or simpleton; ninny. |
respirator res·pi·ra·tor (rěs'pə-rā'tər)
n.
A device that supplies oxygen or a mixture of oxygen and carbon dioxide for breathing, used especially in artificial respiration. Also called inhalator.
A screenlike device worn over the mouth or nose or both to protect the respiratory tract.