Definitions

1. verb

to remove the thistle plant or its thorns, or to render an area free of thistle.

“The gardeners unthistled the entire lawn to make it safe for the kids to play.”

2. verb (transitive)

to free an area from the thistle plant or its thorns, typically by removing it.

“The landowner hired a team to unthistle the entire field and make it suitable for farming.”

3. noun

the act of removing the thistle plant or its thorns.

“The unthistling of the park was a massive task that required a lot of effort and resources.”