
Burr
Unwanted Residue
After manual or machine work, tiny unwanted bits that stick out are called 'burrs'.
I spent an hour sanding off all the burrs from the handrail.
Careful Handling
'Burr' often implies the item may cause injury or damage if not removed.
Be careful with that metal sheet; it has sharp burrs. Compare with
BarbGrinderJagMillPrickleSpikeSpurThorn
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