'Xanthium strumarium' definitions:

Definition of 'Xanthium strumarium'

From: GCIDE

Xanthium \Xan"thi*um\, n. [NL., fr. Gr. xa`nqion a plant used for dyeing the hair yellow, said to be the {Xanthium strumarium}, from xanqo`s yellow.] (Bot.) A genus of composite plants in which the scales of the involucre are united so as to form a kind of bur; cocklebur; clotbur. [1913 Webster]