A dye made from the plant.
A deep reddish purple colour, like that of the dye.
The root of the plant, used as a medicine or a dye.
A herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye (alizarin) obtained from the root.
Of a deep reddish purple colour, like that of the dye.
A capsule of secobarbital.
Any of various red cars formerly used in the New York City subway system; or a train of such cars.
Any of several unrelated American songbirds having red plumage, especially the tanager or cardinal.