Medical Dictionary

burdock

noun bur·dock \ˈbər-ˌdäk\

Medical Definition of BURDOCK

:  any of a genus (Arctium) of coarse composite herbs bearing globular flower heads with prickly bracts and including one (A. lappa) that is the source of lappa

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears