| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a gadget; dingus; thingumbob. |
A strategy employed in the United States Senate, whereby a minority can delay a vote on proposed legislation by making long speeches or introducing irrelevant issues. A successful filibuster can force withdrawal of a bill. Filibusters can be ended only by cloture.