a sweet, creamy spread, as of confectioners' sugar, butter, and flavoring, for covering cakes, cookies, etc.; frosting.

Meteorology . a coating of ice on a solid object. Compare glaze , rime 1 .

Aviation . the freezing of atmospheric moisture on the surface of an aircraft.

Ice Hockey . the act of a player shooting the puck from the defensive half of the rink over the opponent's goal line, but not into the goal, as a defensive maneuver to keep the puck out of the reach of attacking opponents, resulting in a penalty against the defensive team if the puck is then next touched by an opponent other than the goalkeeper. ?

icing on the cake. frosting ( def. 5 ) .

noun

cream , glac , glaze , ornamentation , sugar paste , topping , trimming , coating , frosting , glace , marzipan