butterfly rash

[ bŭtər-flī′ ]

n.

A scaling lesion that appears on each cheek and is joined by a narrow band across the nose, seen in lupus erythematosus and seborrheic dermatitis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.