| a fool or simpleton; ninny. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
cannula can·nu·la or can·u·la (kān'yə-lə)
n. pl. can·nu·las or can·nu·lae (-lē')
A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.
cannulation can·nu·la·tion (kān'yə-lā'shən) or can·nu·li·za·tion (-yə-lĭ-zā'shən)
n.
Insertion of a cannula.