ic‧ing /ˈaɪsɪŋ/
noun [uncountable]1. a mixture made from very fine light sugar and liquid, used to cover cakes
Synonym : frosting American English2. the icing on the cake something that makes a very good experience even better:
It was a great day, but meeting her there was just the icing on the cake! [TahlilGaran] Dictionary of Contemporary English ▲