Pronunciation: (beg'ur tiks"),[key] —n., —pl.-ticks.(used with a sing. or pl. v.) 1. any of several composite plants of the genus Bidens, having rayless yellow flowers and barbed achenes that cling to clothing.
2. the achenes of these plants.
3. any of several other plants having seeds or fruits that cling to clothing, as those of the genus Desmodium.Also,beg'gar's-ticks".