Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

lobotomy

play
noun lo·bot·o·my \lō-ˈbä-tə-mē\

Simple Definition of lobotomy

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

Full Definition of lobotomy

plural lo·bot·o·mies

  1. :  surgical severance of nerve fibers connecting the frontal lobes to the thalamus performed especially formerly for the relief of some mental disorders

Origin of lobotomy

International Scientific Vocabulary


First Known Use: 1936


Medical Dictionary

lobotomy

play
noun lo·bot·o·my \lō-ˈbät-ə-mē\

Medical Definition of lobotomy

plural lo·bot·o·mies

  1. :  surgical severance of nerve fibers connecting the frontal lobes to the thalamus performed especially formerly for the relief of some mental disorders—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).

WORD OF THE DAY

February 14, 2016

to hug and kiss another person

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 16.96 pounds 2.2 pounds 196.5 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ