teasle
/ˈtizəl/
noun
- A tall plant with prickly leaves and flower heads, historically used for raising the nap on woolen cloth.
- The field was full of teasle, with its spiky purple flowers swaying in the wind.
- Bees love the nectar from teasle flowers in late summer.
- In the past, weavers used dried teasle heads to brush wool and make it soft.