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tumbleweed noun

  /ˈtʌmbəlwiːd/ , /ˈtʌmbəlˌwid/
  • Any plant which habitually breaks away from its roots once dry, forming a light, rolling mass which is driven by the wind from place to place; as Russian thistle, wild indigo, witch grass, Amaranthus albus, etc.
 tom rothlaim
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