What does the word icing mean?

Usage examples for icing

  1. Across the white cake was written in pink icing: " Sacred to the Memory of a Good Appetite." – Carnival by Compton Mackenzie
  2. She made quite an army of cookie men; and after they were baked, she covered them with icing. – A Hive of Busy Bees by Effie M. Williams
  3. Amazed by the glaze that was mixed in the icing, We agreed that to feed us, this cake would need slicing. – FreeChildrenStories.com Collection by Daniel Errico