tinea imbricata

[ĭm′brĭ-kātə]
n.
  1. An eruption of concentric rings of overlapping scales that form papulosquamous patches on the skin, caused by the fungus Trichophyton concentricum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.