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burnt umber
buroo
burp
burp gun
burqa
burr (1)
burr (2)
burr (3)
burr hole
burra
Burra Din
Burrell Collection
burrito
burro
burro’s tail
burrow
burrstone
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burr hole
burr hole (plural burr holes)


noun 
Definition:
 
hole drilled surgically in the skull: a small circular hole drilled with a burr, most commonly in the skull as a first stage in raising a flap of bone to allow surgical access to the brain
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