Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Surgical removal of all or part of a breast, sometimes including excision of associated skin and regional lymph nodes, performed as a treatment for cancer.
  • noun A radical mastectomy.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun surgery The surgical procedure to remove of all or part of a breast; mammectomy.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun surgical removal of a breast to remove a malignant tumor

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From mastoid + -ectomy

Examples

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