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Medical Term:


Pronunciation: bŭt′er-flī


  1. Any structure or apparatus shaped like a butterfly with outstretched wings.
  2. A scaling erythematous lesion on each cheek, joined by a narrow band across the nose; seen in lupus erythematosus and seborrheic dermatitis.

Synonym(s): butterfly eruption, butterfly patch, butterfly rash

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.