white elephant

English Thesaurus

1. albinic Indian elephant; rare and sometimes venerated in east Asia (noun.animal)

hypernym	:	elephas maximus, indian elephant,
definition	:	Asian elephant having smaller ears and tusks primarily in the male (noun.animal)

2. a valuable possession whose upkeep is excessively expensive (noun.possession)

hypernym	:	possession,
definition	:	anything owned or possessed (noun.tops)