| a gadget; dingus; thingumbob. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Galvani Gal·va·ni (gāl-vä'nē, gäl-), Luigi. 1737-1798.
Italian physiologist and physician who asserted that animal tissues generate electricity. Although proved wrong, his work stimulated research on electricity.