Tick'-seed, n.
n. [From tick, a little insect. Cf. Ger. wanzensamen, i. e., bug-seed, from wanze, a bug, Dan. väggelussäd, from väggelus, a bug, N. Lat. corispermum, from Gr. κόρις, a bug.] (Bot.) (a.) A plant of the genus Corispermum. (b.) A plant of the genus Coreopsis. Loudon.
Tick-seed sunflower (Bot.), a plant of the genus Coreopsis (C. trichosperma). Gray.