madder

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin
• Syn:
Rubia tinctorum
• Hypernyms:
madderwort, rubiaceous plant

II - verb

color a moderate to strong red
• Hypernyms:
redden
• Verb Frames:
- Somebody ----s something