de-ice /ˌdiːˈaɪs/ BrE AmE verb [transitive]
[ Word Family: verb : ↑ ice , ↑ de-ice ; noun : ↑ ice , ↑ icicle ; adjective : ↑ icy , ↑ iced ; adverb : ↑ icily ]
to remove the ice from something, especially a car ↑ windscreen or the wings of an aircraft