| preemption | |
noun | |
| 1. | the judicial principle asserting the supremacy of federal over state legislation on the same subject |
| 2. | the right of a government to seize or appropriate something (as property) |
| 3. | the right to purchase something in advance of others |
| 4. | a prior appropriation of something; "the preemption of bandwidth by commercial interests" |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a fool or simpleton; ninny. |