D defs.my
Entry 1 sense Webster, 1913

pachyderma

/(păk"ĭ*dẽr"mȧ)/ · IPA
01 n. An abnormal thickening of the skin (usually unilateral on an extremity) caused by congenital enlargement of lymph vessel and lymph vessel o…
  1. 1.
    An abnormal thickening of the skin (usually unilateral on an extremity) caused by congenital enlargement of lymph vessel and lymph vessel obstruction.(Med.)