Boar Thistle (Noun)
Meaning
European thistle with rather large heads and prickly leaves; extensively naturalized as a weed in the United States.
Classification
Nouns denoting plants.
Examples
- The field was overrun with boar thistle, its large, prickly heads making it difficult to traverse.
 - Farmers often consider boar thistle to be a nuisance, as it competes with their crops for water and nutrients.
 - The naturalist warned us to be careful when handling the boar thistle, as its leaves are covered in sharp spines.
 - Boar thistle has become a common sight in many parts of the United States, having been extensively naturalized as a weed.
 - In an effort to control the spread of boar thistle, many states have implemented programs to eradicate the invasive plant.