rubia tinctorum is a noun meaning "Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin". It carries one recorded sense.
Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin
Definitions, synonyms and semantic relations for rubia tinctorum come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.