lobotomy

play
noun lo·bot·o·my \lō-ˈbä-tə-mē\

Definition of lobotomy

plural

lobotomies

  1. :  surgical severance of nerve fibers connecting the frontal lobes to the thalamus that has been performed especially formerly chiefly to treat mental illness

Origin and Etymology of lobotomy

International Scientific Vocabulary


First Known Use: 1936


LOBOTOMY Defined for English Language Learners

lobotomy

play
noun lo·bot·o·my \lō-ˈbä-tə-mē\

Definition of lobotomy for English Language Learners

  • medical : an operation in which part of the brain is cut in order to treat some mental disorders


Medical Dictionary

lobotomy

play
noun lo·bot·o·my \lō-ˈbät-ə-mē\

Medical Definition of lobotomy

plural

lobotomies

  1. :  surgical severance of nerve fibers connecting the frontal lobes to the thalamus that has been performed especially formerly chiefly to treat mental illness—called also leukotomy; compare lobectomy



Seen and Heard

What made you want to look up lobotomy? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

capable of being altered or controlled

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • peter-bruegel-tower-of-babel-painting
  • What language does pajama come from?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!