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- DictionaryTum·ble·weed/ˈtəmbəlˌwēd/
noun
- 1. a plant of dry regions that breaks off near the ground in late summer and is tumbled about by the wind, thereby dispersing its seeds.
noun
A tumbleweed is a structural part of the above-ground anatomy of a number of species of plants. It is a diaspore that, once mature and dry, detaches from its root or stem and rolls due to the force of the wind. In most such species, the tumbleweed is in effect the entire plant apart from the root system, but in other plants, a hollow fruit or inflorescence might detach instead. Wikipedia