Wordnet 3.0
NOUN (1)
1.
a skin disease characterized by large thin-walled blisters (bullae) arising from normal skin or mucous membrane;
The Collaborative International Dictionary of English v.0.48:
Pemphigus \Pem*phi"gus\, n. [Nl., fr. Gr. ?, ?, a bubble.]
(Med.)
A somewhat rare skin disease, characterized by the
development of blebs upon different parts of the body.
--Quain.
[1913 Webster]
WordNet (r) 3.0 (2006):
pemphigus
n 1: a skin disease characterized by large thin-walled blisters
(bullae) arising from normal skin or mucous membrane