Tra từ rattle weed - Từ điển WordNet v3.1

Từ điển WordNet v3.1 - WordNet Dictionary

rattle weed

noun

much-branched erect herb with bright yellow flowers;
distributed from Massachusetts to Florida
• Syn:
indigo broom, horsefly weed, Baptisia tinctoria
• Hypernyms:
wild indigo, false indigo