'dyer's greenweed' definitions:

Definition of 'dyer's greenweed'

From: WordNet
noun
Small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental [syn: woodwaxen, dyer's greenweed, dyer's-broom, dyeweed, greenweed, whin, woadwaxen, Genista tinctoria]

Definition of 'dyer's greenweed'

From: GCIDE