Thĭm'ble-weed, n.
n. (Bot.) A tall plant of the genus Rudbeckia, resembling the sun-flower;— so called from the shape of the receptacle. It is used in medicine. Bartlett.
n. (Bot.) A tall plant of the genus Rudbeckia, resembling the sun-flower;— so called from the shape of the receptacle. It is used in medicine. Bartlett.