Definition of "surgery" []

• The branch of medicine that deals with the diagnosis and treatment of injury, deformity, and disease by manual and instrumental means. (noun)
• A surgical operation or procedure, especially one involving the removal or replacement of a diseased organ or tissue. (noun)
• An operating room or a laboratory of a surgeon or of a hospital's surgical staff. (noun)
• The skill or work of a surgeon. (noun)
• Chiefly British A physician's, dentist's, or veterinarian's office. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Someone who assures you that brain surgery is simple?"
• "When brain surgery is considered, accurate determination of whether surgery may be effective is crucial to patient counseling."
• "Immediate brain surgery is Caitlin's only treatment option, but her insurance company, Aetna, took its sweet time approving her operation, and then reversed itself claiming her benefits had expired."