pachyderma pachyderm • pachydermal · · · Info · Definitions · Synonyms · Characters · · pachyderma · · Text Latin · · Script 10 · · Length Definitions · · · (noun) thickening of the skin (usually unilateral on an extremity) caused by congenital enlargement of lymph vessel and lymph vessel obstruction. Synonyms: nevoid elephantiasis. · · Noun Definition 1 Synonyms · · · nevoid elephantiasis · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072 y latin small letter y U+0079