Akademik

horse thistle
noun
European annual wild lettuce having prickly stems; a troublesome weed in parts of United States
Syn: ↑prickly lettuce, ↑Lactuca serriola, ↑Lactuca scariola
Hypernyms: ↑compass plant, ↑compass flower

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noun
Etymology: Middle English hors thistel, from hors + thistel thistle
: prickly lettuce

Useful english dictionary. 2012.