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spider-burst in Medicine

spider-burst

n.
  1. Radiating dull-red capillary lines on the skin of the leg, usually without any visible or palpable varicose veins, due to deep-seated venous dilation.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.