Definitions
1.nounA herbaceous plant, Rubia tinctorum, native to Asia, cultivated for a red-purple dye (alizarin) obtained from the root.
2.nounThe root of the plant, used as a medicine or a dye.
3.nounA dye made from the plant.
4.nounA deep reddish purple colour, like that of the dye.
5.adjectiveOf a deep reddish purple colour, like that of the dye.