(n) any one of a few weedy, mainly biennial flowers regarding the genus Arctium in composite family, having red or purplish rose minds enclosed by prickly bracts and forming a bur in good fresh fruit.
(n) the types of biennial thistles within the genus Arctium.
(n) A genus of coarse biennial natural herbs (Lappa), bearing little burs which adhere tenaciously to garments, or even to the fur or wool of pets.
burdock in Community Dictionary
Burdock is some of a small grouping of biennial thistles into the genus Arctium, household Asteraceae.The prickly minds among these plants are mentioned for quickly getting to fur and garments, thus providing an excellent system for seed dispersal. Burrs cause regional discomfort and may possibly trigger intestinal hairballs in pets. But many pets avoid ingesting these flowers. by WilfordReport definition