burdock

 
Pronunciation: /ˈbəːdɒk/

noun

  • a large herbaceous Old World plant of the daisy family. The hook-bearing flowers become woody burrs after fertilization and cling to animals' coats to aid seed dispersal.
    • Genus Arctium, family Compositae: several species, including the large-leaved great burdock (A. lappa), which has edible roots and is used in herbal medicine

Origin:

late 16th century: from burr + dock4