ic·ing / ˈīsing/ • n. 1. a mixture of sugar with liquid or butter, typically flavored and colored, and used as a coating for cakes or cookies.2. the formation of ice on an aircraft, ship, or other vehicle, or in an engine.3. Ice Hockey the action of shooting the puck from one's own end of the rink to the other but not into the goal, for which the referee calls a face-off in one's own end.PHRASES: the icing (or frosting) on the cake an attractive but inessential addition or enhancement: being a scientist is enjoyable, and winning a Nobel is icing on the cake.

icing See frosting; sugar.