'pachyderma' definitions:

Definition of 'pachyderma'

From: WordNet
noun
Thickening of the skin (usually unilateral on an extremity) caused by congenital enlargement of lymph vessel and lymph vessel obstruction [syn: nevoid elephantiasis, pachyderma]

Definition of 'pachyderma'

From: GCIDE
  • pachyderma \pachyderma\ (p[a^]k"[i^]*d[~e]r"m[.a]), n. (Med.) An abnormal thickening of the skin (usually unilateral on an extremity) caused by congenital enlargement of lymph vessel and lymph vessel obstruction.
  • Syn: pachydermatosis, pachydermia, nevoid elephantiasis. [WordNet 1.5]