dyer's rocket

noun
1.
weld2 .
Origin
1860-65; cultivated for a yellow dye
British Dictionary definitions for dyer's rocket

dyer's rocket

noun
1.
a Eurasian resedaceous plant, Reseda luteola, with a spike of yellowish-green flowers and long narrow leaves: formerly cultivated as the source of a yellow dye, used with woad to make Lincoln green Also called weld