any of a number of plants, as the pigweed or Russian thistle, that break off near the ground in autumn and are blown about by the wind
Any of various densely branched annual plants, such as Russian thistle and several species of amaranth, that break off from the roots at the end of the growing season and are rolled about by the wind.
(countable and uncountable, plural tumbleweeds)
- Any plant which habitually breaks away from its roots in the autumn, and is driven by the wind, as a light, rolling mass, over the fields and prairies; as witch grass, wild indigo, Amaranthus albus, etc.
- Describing unwanted silence and inactivity. Often used of a situation when one makes a statement that is ignored or ill-received from one's audience. Gives the impression that a tumbleweed has passed through the room, as the resultant silence is likened to that of a desolate desert.