DictionaryicingSweet coating
noun

icing

EYE-sing/ˈaɪsɪŋ/

A covering that forms like a layer of ice.

A baker spreads smooth icing over a plain cake with a spatula.

A baker spreads smooth pale sweet icing onto a plain cake with an offset spatula, no decorative letters.
Etymology

The verb ice originally meant “cover with ice.” In confectionery, icing named a coating of hardened sugar, shifting from an icy covering to a sweet one.

In context

Highland Radio Ireland173:07
it is a beautiful cupcake with this beautiful blue icing on the top
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More examples

  • The lemon icing dries to a thin shell.
  • Icing on the wings can make flying dangerous.
  • Freezing rain causes heavy icing on power lines.

Forms

icing · icings

ice verb — To cover with ice or frosting.

Similar words

frosting
Usually names a thicker, fluffier sweet coating for cakes.
glaze
Usually a thin, smooth coating, often shiny when set.
frost
Specifically ice crystals deposited on a cold surface.