scarifier
/ˈskæɹɪfaɪə(ɹ)/
noun 3
Definitions
noun
1
One who scarifies.
2
The instrument used for scarifying (as for example during plastering).
3
An implement for working and loosening the soil; often, one with teeth or shanks that does not bring up a fresh surface.
Near-synonyms: cultivator, scuffler, grubber, horse hoe (not always precisely differentiated; dialectal usage has varied)
You have your scarifiers to make the ground clean.
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