ice over/up ( also be iced over/up ) phrasal verb ( see also ↑ ice )
to become covered with ice ⇨ icy :
Schools were closed when the roads iced over.
The plane’s engines had iced up.
ice over/up ( also be iced over/up ) phrasal verb ( see also ↑ ice )
to become covered with ice ⇨ icy :
Schools were closed when the roads iced over.
The plane’s engines had iced up.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012