{n. phr.} A kind, generous, or forgiving nature. * /John has a heart of gold. I never saw him angry at anyone./ * /Mrs. Brown is a rich woman with a heart of gold./ Compare: GOOD AS GOLD, HEART IN THE RIGHT PLACE.
HEART OF GOLD
Meaning of HEART OF GOLD in English
Slang English vocab. Английский сленговый словарь. 2012