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Use "trepanning" in a sentence
"This occasioned his going through the operation called trepanning, which is performed by an engine like a coffee-mill, which being fixed on the bruised part of the bone, is turned round, and cuts out all the black till the edges appear white and sound."
"Known as trepanning, it was an ancient procedure and a desperate one."
"I made the diagnosis that a splinter of bone was pressing upon the brain, and that the surgical operation known as trepanning was required."