n. a plant, as Amaranthus graecizans, whose upper part breaks off from the root in autumn and is driven about by the wind.
- 1922  . . . many a detour I made with pounding heart, to find only a prairie boulder or a lump of tumbleweed blown into a wolf willow.
- 1961  That essay just rolled along like tumbleweed. I put down all about how Jake can tell the weather and witch water wells.