[1] : The Collaborative International Dictionary of English v.0.48

pachyderma \pachyderma\ pa^k"i^d~er"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

[2] : WordNet (r) 2.0

pachyderma
     n : thickening of the skin usually unilateral on an extremity
         caused by congenital enlargement of lymph vessel and
         lymph vessel obstruction syn: nevoid elephantiasis
see also:
nevoid elephantiasis 

Pachyderma >> P Words
Pachyderma, definition of term: Pachyderma
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