Noun: scouring rush
- Evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils
"Pioneers used scouring rush to clean their pots";
- rough horsetail, Equisetum hyemale, Equisetum hyemale robustum, Equisetum robustum
Derived forms: scouring rushes
Type of: horsetail
Encyclopedia: Scouring rush