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saucerization

[sô′sər-ĭ-zā′shən]
n.
  1. Surgical excavation of tissue to form a shallow depression to facilitate drainage from infected areas of a wound.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.