DFC to cover a cake with icing (=a mixture made of liquid and very fine sugar) [= frost American English]
ice something ↔ down
phrasal verbMH to cover an injured part of the body in ice to stop it from swelling :
Make sure you ice that ankle down as soon as you get inside.
Make sure you ice that ankle down as soon as you get inside.ice over/up
phrasal verb
Schools were closed when the roads iced over.
The plane's engines had iced up.