Pachyderma

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  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}]