tumbleweed
From Longman Dictionary of Contemporary EnglishRelated topics: Plantstumbleweedtum‧ble‧weed /ˈtʌmbəlwiːd/ noun [countable, uncountable] HBPa plant that grows in the desert areas of North America and is blown from place to place by the windExamples from the Corpustumbleweed• We had a tumbleweed like that in Arizona for a Christmas tree, but this photograph was taken in Colorado.• Who would want a tumbleweed for a Christmas tree in a home resting among evergreens?• The desert town of Perfection, Nevada - all tumbleweed and beat-up trucks - gets attacked by giant earthworms.