scouring rush
English
Noun
scouring
rush
(
plural
scouring rushes
)
Any of certain
horsetails
, especially
rough horsetail
(
Equisetum hyemale
), formerly used for scouring and polishing.
Synonyms
scrubgrass
shavegrass
See also
Dutch rush
Equisetum
Hippochaete
horsetail
puzzlegrass