The definition of a lobotomy is a surgery where part of the brain is cut.(noun)
An example of a lobotomy is a surgery primarily used in history to treat psychosis.
See lobotomy in Webster's New World College Dictionary
noun pl. lobotomies
Origin: < lobe + -tomy
See lobotomy in American Heritage Dictionary 4
noun pl. lo·bot·o·mies
Origin: + -tomy.
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