WordWeb Online

1. Any plant that breaks away from its roots in autumn and is driven by the wind as a light rolling mass
    
2. Prickly bushy Eurasian plant; a troublesome weed in central and western United States
   - Russian thistle, Russian tumbleweed, Russian cactus, Salsola kali tenuifolia
    
3. Bushy annual weed of central North America having greenish flowers and winged seeds
   - winged pigweed, Cycloloma atriplicifolium
    
4. Bushy plant of western United States
   - Amaranthus albus, Amaranthus graecizans

Derived forms: tumbleweeds

Type of: amaranth, bush, shrub, weed

Part of: Cycloloma, genus Cycloloma

Encyclopedia: Tumbleweed