noun[mass noun] chiefly British
Hard white icing made from icing sugar and egg whites, typically used to decorate fruit cakes.
More example sentences
- Made from icing sugar and egg whites, royal icing sets like concrete.
- All the cakes were either topped with royal icing or butter icing.
- Decoration is important; festive fruit cakes are usually topped with marzipan and covered with royal icing, suitably embellished with piping, cut paper, and little figures.
Definition of royal icing in:
- The US English dictionary