ice2 [transitive] especially British English
to cover a cake with icing (=a mixture made of liquid and very fine sugar) [= frost American English]
ice something ↔ downphrasal verb
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.
ice over/upphrasal verb
Schools were closed when the roads iced over.
The plane's engines had iced up.