1. A sweet glaze made of sugar, a liquid such as milk or water, and often other ingredients, spread over the surface of baked goods for flavor or decoration. See Note at frosting.
2. Sports A minor violation of the rules in ice hockey in which a player ices the puck, and the puck is not played by the goalie and does not go in the goal. Icing is not called when the team that has iced the puck is killing a penalty.
icing on the cake
An additional benefit to something already good.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.