ˈbīˌdenz noun
Usage: capitalized
Etymology: New Latin, from Latin, having two teeth, 2-pronged, from bi- bi- (I) + dent-, dens tooth — more at tooth
: a large genus of herbs (family Compositae) native to the warmer parts of both hemispheres that have divided or compound leaves and yellow flowers and the usually flattened achenes armed with barbed awns — see beggar-ticks , bur marigold , spanish needle