bur·dock /ˈbɝˌdɑk/ 名詞
Bur·dock n. Bot. A genus of coarse biennial herbs (Lappa), bearing small burs which adhere tenaciously to clothes, or to the fur or wool of animals.
Note: ☞ The common burdock is the Lappa officinalis.
n : any of several erect biennial herbs of temperate Eurasia
having stout taproots and producing burs [syn: clotbur]