Surveying. a technique of ascertaining the location of a point by taking bearings from the point on two other points of known location.
Surgery. the excision of all or part of an organ or tissue.

1605–15; < Latin resectiōn- (stem of resectiō) a cutting off, trimming, equivalent to resect(us) (see resect) + -iōn- -ion

resectional, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
resection (rɪˈsɛkʃən)
1.  surgery excision of part of a bone, organ, or other part
2.  surveying a method of fixing the position of a point by making angular observations to three fixed points

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

resection re·sec·tion (rĭ-sěk'shən)

  1. Surgical removal of part of an organ or a structure.

  2. Removal of the articular ends of one or both bones forming a joint.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
resection   (rĭ-sěk'shən)  Pronunciation Key 
Surgical removal of all or part of an organ, tissue, or structure. A wedge resection is removal of a piece of tissue that is triangularly shaped.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
There are small number of surgeons who thought neoplasm only cancer and clean
  surgical resection as treatment of lymphoma.
Large bowel resection is surgery to remove all or part of your large bowel.
Small bowel resection is surgery to remove part or all of your small bowel.
Long-term results of laparoscopic colorectal cancer resection.
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