prairie burdock
noun
A rosinweed, Silphium terebinthinaceum, with very large leaves.
Origin
Mid 19th century; earliest use found in Alphonso Wood (1810–1881), botanist.
- retrogradist
- retrogration
- retrogress
- retrogression
- retrogressional
- retrogressionist
- retrogressive
- retrogressivism
- retroguard
- retro-ignition
- retro-impulse
- retroject
- retrojection
- retrolental fibroplasia
- retromanoeuvre
- retro-migration
- retromingency
- retromingent
- retromorphosis
- retronym
- retrooperative
- retropannage
- retroperitoneal
- retroperitoneum
- retropharyngeal